12621427

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 16022016

約数和(自身を除く): 3400589

約数列:

[1, 7, 13, 47, 91, 169, 227, 329, 611, 1183, 1589, 2951, 4277, 7943, 10669, 20657, 38363, 55601, 74683, 138697, 268541, 970879, 1803061, 12621427]

約数ペア:

[(1, 12621427), (7, 1803061), (13, 970879), (47, 268541), (91, 138697), (169, 74683), (227, 55601), (329, 38363), (611, 20657), (1183, 10669), (1589, 7943), (2951, 4277)]