About the Number

117006981

117006980 ← → 117006982

2進数表記:110111110010110001010000101

漢数字表記:一億千七百万六千九百八十一

素因数分解:

3 1 × 7 1 × 13 2 × 32969 1

素因数の和:33005
約数の個数: 24
約数和(自身を含む): 193072320
約数和(自身を除く): 76065339

約数列:
[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 32969, 98907, 230783, 428597, 692349, 1285791, 3000179, 5571761, 9000537, 16715283, 39002327, 117006981]

約数ペア:
[(1, 117006981), (3, 39002327), (7, 16715283), (13, 9000537), (21, 5571761), (39, 3000179), (91, 1285791), (169, 692349), (273, 428597), (507, 230783), (1183, 98907), (3549, 32969)]

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