12156781

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1297}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 15119104

約数和(自身を除く): 2962323

約数列:

[1, 7, 13, 91, 103, 721, 1297, 1339, 9079, 9373, 16861, 118027, 133591, 935137, 1736683, 12156781]

約数ペア:

[(1, 12156781), (7, 1736683), (13, 935137), (91, 133591), (103, 118027), (721, 16861), (1297, 9373), (1339, 9079)]