31475457

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{14159}}^1$

素因数の和:14197

約数の個数: 24

約数和(自身を含む): 51542400

約数和(自身を除く): 20066943

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 14159, 42477, 127431, 184067, 269021, 552201, 807063, 1656603, 2421189, 3497273, 10491819, 31475457]

約数ペア:

[(1, 31475457), (3, 10491819), (9, 3497273), (13, 2421189), (19, 1656603), (39, 807063), (57, 552201), (117, 269021), (171, 184067), (247, 127431), (741, 42477), (2223, 14159)]