391103997

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{25153}}^1$

素因数の和:25300

約数の個数: 16

約数和(自身を含む): 536082048

約数和(自身を除く): 144978051

約数列:

[1, 3, 71, 73, 213, 219, 5183, 15549, 25153, 75459, 1785863, 1836169, 5357589, 5508507, 130367999, 391103997]

約数ペア:

[(1, 391103997), (3, 130367999), (71, 5508507), (73, 5357589), (213, 1836169), (219, 1785863), (5183, 75459), (15549, 25153)]