9420385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3917}}^1$

素因数の和:3972

約数の個数: 16

約数和(自身を含む): 12506256

約数和(自身を除く): 3085871

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 3917, 19585, 50921, 144929, 254605, 724645, 1884077, 9420385]

約数ペア:

[(1, 9420385), (5, 1884077), (13, 724645), (37, 254605), (65, 144929), (185, 50921), (481, 19585), (2405, 3917)]