15121211

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4099}}^1$

素因数の和:4154

約数の個数: 16

約数和(自身を含む): 18892800

約数和(自身を除く): 3771589

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 4099, 28693, 69683, 127069, 487781, 889483, 2160173, 15121211]

約数ペア:

[(1, 15121211), (7, 2160173), (17, 889483), (31, 487781), (119, 127069), (217, 69683), (527, 28693), (3689, 4099)]