About the Number

121808961

121808960 ← → 121808962

2進数表記:111010000101010100001000001

漢数字表記:一億二千百八十万八千九百六十一

素因数分解:

3 3 × 17 1 × 29 1 × 9151 1

素因数の和:9206
約数の個数: 32
約数和(自身を含む): 197683200
約数和(自身を除く): 75874239

約数列:
[1, 3, 9, 17, 27, 29, 51, 87, 153, 261, 459, 493, 783, 1479, 4437, 9151, 13311, 27453, 82359, 155567, 247077, 265379, 466701, 796137, 1400103, 2388411, 4200309, 4511443, 7165233, 13534329, 40602987, 121808961]

約数ペア:
[(1, 121808961), (3, 40602987), (9, 13534329), (17, 7165233), (27, 4511443), (29, 4200309), (51, 2388411), (87, 1400103), (153, 796137), (261, 466701), (459, 265379), (493, 247077), (783, 155567), (1479, 82359), (4437, 27453), (9151, 13311)]

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