[代數] φ(d)=n
一題子群部分的相關題目..
Let n € Z+. Then Σ φ(d)=n .
↑ (d|n)
屬於
要證明這件事情..
題目就不太懂內含了,更不知道該怎麼證...囧
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◆ From: 220.136.189.64
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11/07 21:39, , 1F
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※ 編輯: IminXD 來自: 220.136.189.64 (11/07 21:40)
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