\ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/atmokpo.com\/w\/27130\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"\ubb38\uc81c \uc124\uba85 \uc624\uc77c\ub7ec\uc758 \ud53c \ud568\uc218(Euler’s totient function) \u03c6(n)\uc740 1\ubd80\ud130 n\uae4c\uc9c0\uc758 \uc815\uc218 \uc911 n\uacfc \uc11c\ub85c\uc18c\uc778 \uc218\uc758 \uac1c\uc218\ub97c \uc13c \ud568\uc218\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \u03c6(1)=1, \u03c6(2)=1, \u03c6(3)=2, \u03c6(4)=2, \u03c6(5)=4\uc785\ub2c8\ub2e4. \uc8fc\uc5b4\uc9c4 \uc591\uc758 \uc815\uc218 n\uc5d0 \ub300\ud574 \u03c6(n) \uac12\uc744 \uacc4\uc0b0\ud558\ub294 \ucf54\ub4dc\ub97c \uc791\uc131\ud558\uc2dc\uc624. \ub2e8, n\uc740 1\uacfc 10^6 \uc0ac\uc774\uc758 \uac12\uc785\ub2c8\ub2e4. \ubb38\uc81c \ud574\uacb0 \uacfc\uc815 1. \ubb38\uc81c \uc774\ud574\ud558\uae30 \uc774 \ubb38\uc81c\ub294 \uc624\uc77c\ub7ec\uc758 \ud53c \ud568\uc218\uc758 \uc815\uc758\ub97c \uae30\ubc18\uc73c\ub85c \ud558\uba70, … \ub354 \ubcf4\uae30 "\ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c"\" \/>\n<meta property=\"og:url\" content=\"https:\/\/atmokpo.com\/w\/27130\/\" \/>\n<meta property=\"og:site_name\" content=\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"article:published_time\" content=\"2024-10-27T13:43:55+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-11-26T07:21:56+00:00\" \/>\n<meta name=\"author\" content=\"root\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:site\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:label1\" content=\"\uae00\uc4f4\uc774\" \/>\n\t<meta name=\"twitter:data1\" content=\"root\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/atmokpo.com\/w\/27130\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/atmokpo.com\/w\/27130\/\"},\"author\":{\"name\":\"root\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7\"},\"headline\":\"\ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c\",\"datePublished\":\"2024-10-27T13:43:55+00:00\",\"dateModified\":\"2024-11-26T07:21:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/atmokpo.com\/w\/27130\/\"},\"wordCount\":23,\"publisher\":{\"@id\":\"https:\/\/atmokpo.com\/w\/#organization\"},\"articleSection\":[\"\ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c\"],\"inLanguage\":\"ko-KR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/atmokpo.com\/w\/27130\/\",\"url\":\"https:\/\/atmokpo.com\/w\/27130\/\",\"name\":\"\ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - 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\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/atmokpo.com\/w\/27130\/","og_locale":"ko_KR","og_type":"article","og_title":"\ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","og_description":"\ubb38\uc81c \uc124\uba85 \uc624\uc77c\ub7ec\uc758 \ud53c \ud568\uc218(Euler’s totient function) \u03c6(n)\uc740 1\ubd80\ud130 n\uae4c\uc9c0\uc758 \uc815\uc218 \uc911 n\uacfc \uc11c\ub85c\uc18c\uc778 \uc218\uc758 \uac1c\uc218\ub97c \uc13c \ud568\uc218\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \u03c6(1)=1, \u03c6(2)=1, \u03c6(3)=2, \u03c6(4)=2, \u03c6(5)=4\uc785\ub2c8\ub2e4. \uc8fc\uc5b4\uc9c4 \uc591\uc758 \uc815\uc218 n\uc5d0 \ub300\ud574 \u03c6(n) \uac12\uc744 \uacc4\uc0b0\ud558\ub294 \ucf54\ub4dc\ub97c \uc791\uc131\ud558\uc2dc\uc624. \ub2e8, n\uc740 1\uacfc 10^6 \uc0ac\uc774\uc758 \uac12\uc785\ub2c8\ub2e4. \ubb38\uc81c \ud574\uacb0 \uacfc\uc815 1. \ubb38\uc81c \uc774\ud574\ud558\uae30 \uc774 \ubb38\uc81c\ub294 \uc624\uc77c\ub7ec\uc758 \ud53c \ud568\uc218\uc758 \uc815\uc758\ub97c \uae30\ubc18\uc73c\ub85c \ud558\uba70, … \ub354 \ubcf4\uae30 \"\ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c\"","og_url":"https:\/\/atmokpo.com\/w\/27130\/","og_site_name":"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","article_published_time":"2024-10-27T13:43:55+00:00","article_modified_time":"2024-11-26T07:21:56+00:00","author":"root","twitter_card":"summary_large_image","twitter_creator":"@bebubo4","twitter_site":"@bebubo4","twitter_misc":{"\uae00\uc4f4\uc774":"root"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/atmokpo.com\/w\/27130\/#article","isPartOf":{"@id":"https:\/\/atmokpo.com\/w\/27130\/"},"author":{"name":"root","@id":"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7"},"headline":"\ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c","datePublished":"2024-10-27T13:43:55+00:00","dateModified":"2024-11-26T07:21:56+00:00","mainEntityOfPage":{"@id":"https:\/\/atmokpo.com\/w\/27130\/"},"wordCount":23,"publisher":{"@id":"https:\/\/atmokpo.com\/w\/#organization"},"articleSection":["\ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c"],"inLanguage":"ko-KR"},{"@type":"WebPage","@id":"https:\/\/atmokpo.com\/w\/27130\/","url":"https:\/\/atmokpo.com\/w\/27130\/","name":"\ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - 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{"id":27130,"date":"2024-10-27T13:43:55","date_gmt":"2024-10-27T13:43:55","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=27130"},"modified":"2024-11-26T07:21:56","modified_gmt":"2024-11-26T07:21:56","slug":"%ed%8c%8c%ec%9d%b4%ec%8d%ac-%ec%bd%94%eb%94%a9%ed%85%8c%ec%8a%a4%ed%8a%b8-%ea%b0%95%ec%a2%8c-%ec%98%a4%ec%9d%bc%eb%9f%ac-%ed%94%bc","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/27130\/","title":{"rendered":"\ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c"},"content":{"rendered":"

<\/p>\n

\n<\/header>\n

\ubb38\uc81c \uc124\uba85<\/h2>\n
\n \uc624\uc77c\ub7ec\uc758 \ud53c \ud568\uc218(Euler’s totient function) \u03c6(n)\uc740 1\ubd80\ud130 n\uae4c\uc9c0\uc758
\n \uc815\uc218 \uc911 n\uacfc \uc11c\ub85c\uc18c\uc778 \uc218\uc758 \uac1c\uc218\ub97c \uc13c \ud568\uc218\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4,
\n \u03c6(1)=1, \u03c6(2)=1, \u03c6(3)=2, \u03c6(4)=2, \u03c6(5)=4\uc785\ub2c8\ub2e4.\n <\/p>\n
\n \uc8fc\uc5b4\uc9c4 \uc591\uc758 \uc815\uc218 n\uc5d0 \ub300\ud574 \u03c6(n) \uac12\uc744 \uacc4\uc0b0\ud558\ub294 \ucf54\ub4dc\ub97c \uc791\uc131\ud558\uc2dc\uc624.
\n \ub2e8, n\uc740 1\uacfc 10^6 \uc0ac\uc774\uc758 \uac12\uc785\ub2c8\ub2e4.\n <\/p>\n

\ubb38\uc81c \ud574\uacb0 \uacfc\uc815<\/h2>\n

1. \ubb38\uc81c \uc774\ud574\ud558\uae30<\/h3>\n
\n \uc774 \ubb38\uc81c\ub294 \uc624\uc77c\ub7ec\uc758 \ud53c \ud568\uc218\uc758 \uc815\uc758\ub97c \uae30\ubc18\uc73c\ub85c \ud558\uba70,
\n n\uacfc \uc11c\ub85c\uc18c\uc778 \ubaa8\ub4e0 \uc218\ub97c \ucc3e\uc544\uc57c \ud569\ub2c8\ub2e4. \uc11c\ub85c\uc18c\ub780 \ub450 \uc218\uc758
\n \ucd5c\ub300\uacf5\uc57d\uc218\uac00 1\uc778 \uac83\uc744 \ub9d0\ud558\uba70, \uc774 \uc870\uac74\uc744 \uc774\uc6a9\ud574
\n \u03c6(n)\uc744 \uad6c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n

2. \uc54c\uace0\ub9ac\uc998 \uc124\uacc4<\/h3>\n
\n \uc624\uc77c\ub7ec \ud53c \ud568\uc218\ub294 \uae30\uc57d\ubd84\uc218\uc758 \ud615\ud0dc\ub85c \ud45c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 n\uc758 \uc18c\uc778\uc218\ub97c \ucc3e\uc544
\n \uc11c\ub85c\uc18c\uc758 \uac1c\uc218\ub97c \uad6c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. n\uc758 \uc18c\uc778\uc218 p\uc5d0 \ub300\ud558\uc5ec,
\n \u03c6(n) = n \u00d7 (1 – 1\/p)\uc785\ub2c8\ub2e4. n\uc758 \ubaa8\ub4e0 \uc18c\uc778\uc218\uc5d0 \ub300\ud574 \uc774 \uc2dd\uc744 \uc801\uc6a9\ud558\uba74 \ub429\ub2c8\ub2e4.\n <\/p>\n

3. \ucf54\ub4dc \uad6c\ud604<\/h3>\n

\n \uba3c\uc800 \uc18c\uc778\uc218\ub97c \ucc3e\ub294 \ud568\uc218\ub97c \uad6c\ud604\ud55c \ud6c4, \uc774\ub97c \uc774\uc6a9\ud574
\n \u03c6(n)\uc744 \uacc4\uc0b0\ud558\ub294 \ucf54\ub4dc\ub97c \uc791\uc131\ud558\uaca0\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\ndef euler_totient(n):\n    result = n   # \ucd08\uae30\uac12\uc740 n\n    p = 2\n    while p * p <= n:   # \uc18c\uc778\uc218\ub97c \ucc3e\uae30\n        if n % p == 0:   # p\uac00 n\uc758 \uc18c\uc778\uc218\uc778\uc9c0 \ud655\uc778\n            while n % p == 0:   # p\uc5d0 \ud574\ub2f9\ud558\ub294 \uc18c\uc778\uc218\ub97c \uc81c\uac70\n                n \/\/= p\n            result -= result \/\/ p   # \uc11c\ub85c\uc18c \uac1c\uc218 \uacc4\uc0b0\n        p += 1\n    if n > 1:   # \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ub0a8\uc740 \uc18c\uc778\uc218\n        result -= result \/\/ n\n    return result\n        <\/code><\/pre>\n4. \uc608\uc81c\uc640 \ud14c\uc2a4\ud2b8<\/h3>\n\n            \u03c6(10)\uc744 \uacc4\uc0b0\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \u03c6(10)\uc740 5\uc640 2\uc758 \uc18c\uc778\uc218\ub97c \uac00\uc9d1\ub2c8\ub2e4.
\n            \uc774\ub97c \ud1b5\ud574 \u03c6(10) = 10 \u00d7 (1 – 1\/2) \u00d7 (1 – 1\/5) = 4\uac00 \ub429\ub2c8\ub2e4.\n        <\/p>\n
\nprint(euler_totient(10))  # \ucd9c\ub825: 4\n        <\/code><\/pre>\n5. \uacb0\ub860<\/h3>\n\n            \uc624\uc77c\ub7ec \ud53c \ud568\uc218\ub294 \uc218\ub860\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud55c \uac1c\ub150\uc73c\ub85c,
\n            \uace0\uae09 \uc54c\uace0\ub9ac\uc998\uc744 \uad6c\ud604\ud558\ub294 \ub370 \uc788\uc5b4 \ud544\uc218\uc801\uc778 \uc9c0\uc2dd\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.
\n            \uc774 \ubb38\uc81c\ub97c \ud1b5\ud574 \uc774\ub7ec\ud55c \uae30\ubc18 \uc9c0\uc2dd\uc744 \ud655\ub9bd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n        <\/p>\n<\/article>\n
\n\u00a9 2023 \ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c<\/p>\n<\/footer>\n
<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"
\ubb38\uc81c \uc124\uba85 \uc624\uc77c\ub7ec\uc758 \ud53c \ud568\uc218(Euler’s totient function) \u03c6(n)\uc740 1\ubd80\ud130 n\uae4c\uc9c0\uc758 \uc815\uc218 \uc911 n\uacfc \uc11c\ub85c\uc18c\uc778 \uc218\uc758 \uac1c\uc218\ub97c \uc13c \ud568\uc218\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \u03c6(1)=1, \u03c6(2)=1, \u03c6(3)=2, \u03c6(4)=2, \u03c6(5)=4\uc785\ub2c8\ub2e4. \uc8fc\uc5b4\uc9c4 \uc591\uc758 \uc815\uc218 n\uc5d0 \ub300\ud574 \u03c6(n) \uac12\uc744 \uacc4\uc0b0\ud558\ub294 \ucf54\ub4dc\ub97c \uc791\uc131\ud558\uc2dc\uc624. \ub2e8, n\uc740 1\uacfc 10^6 \uc0ac\uc774\uc758 \uac12\uc785\ub2c8\ub2e4. \ubb38\uc81c \ud574\uacb0 \uacfc\uc815 1. \ubb38\uc81c \uc774\ud574\ud558\uae30 \uc774 \ubb38\uc81c\ub294 \uc624\uc77c\ub7ec\uc758 \ud53c \ud568\uc218\uc758 \uc815\uc758\ub97c \uae30\ubc18\uc73c\ub85c \ud558\uba70, … \ub354 \ubcf4\uae30 “\ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-27130","post","type-post","status-publish","format-standard","hentry","category-23"],"yoast_head":"\n\ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - 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\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/atmokpo.com\/w\/27130\/","og_locale":"ko_KR","og_type":"article","og_title":"\ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","og_description":"\ubb38\uc81c \uc124\uba85 \uc624\uc77c\ub7ec\uc758 \ud53c \ud568\uc218(Euler’s totient function) \u03c6(n)\uc740 1\ubd80\ud130 n\uae4c\uc9c0\uc758 \uc815\uc218 \uc911 n\uacfc \uc11c\ub85c\uc18c\uc778 \uc218\uc758 \uac1c\uc218\ub97c \uc13c \ud568\uc218\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \u03c6(1)=1, \u03c6(2)=1, \u03c6(3)=2, \u03c6(4)=2, \u03c6(5)=4\uc785\ub2c8\ub2e4. \uc8fc\uc5b4\uc9c4 \uc591\uc758 \uc815\uc218 n\uc5d0 \ub300\ud574 \u03c6(n) \uac12\uc744 \uacc4\uc0b0\ud558\ub294 \ucf54\ub4dc\ub97c \uc791\uc131\ud558\uc2dc\uc624. \ub2e8, n\uc740 1\uacfc 10^6 \uc0ac\uc774\uc758 \uac12\uc785\ub2c8\ub2e4. \ubb38\uc81c \ud574\uacb0 \uacfc\uc815 1. \ubb38\uc81c \uc774\ud574\ud558\uae30 \uc774 \ubb38\uc81c\ub294 \uc624\uc77c\ub7ec\uc758 \ud53c \ud568\uc218\uc758 \uc815\uc758\ub97c \uae30\ubc18\uc73c\ub85c \ud558\uba70, … \ub354 \ubcf4\uae30 \"\ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c\"","og_url":"https:\/\/atmokpo.com\/w\/27130\/","og_site_name":"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","article_published_time":"2024-10-27T13:43:55+00:00","article_modified_time":"2024-11-26T07:21:56+00:00","author":"root","twitter_card":"summary_large_image","twitter_creator":"@bebubo4","twitter_site":"@bebubo4","twitter_misc":{"\uae00\uc4f4\uc774":"root"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/atmokpo.com\/w\/27130\/#article","isPartOf":{"@id":"https:\/\/atmokpo.com\/w\/27130\/"},"author":{"name":"root","@id":"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7"},"headline":"\ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c","datePublished":"2024-10-27T13:43:55+00:00","dateModified":"2024-11-26T07:21:56+00:00","mainEntityOfPage":{"@id":"https:\/\/atmokpo.com\/w\/27130\/"},"wordCount":23,"publisher":{"@id":"https:\/\/atmokpo.com\/w\/#organization"},"articleSection":["\ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c"],"inLanguage":"ko-KR"},{"@type":"WebPage","@id":"https:\/\/atmokpo.com\/w\/27130\/","url":"https:\/\/atmokpo.com\/w\/27130\/","name":"\ud30c\uc774\uc36c \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - 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