86719491

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{17551}}^1$

素因数の和:17624

約数の個数: 20

約数和(自身を含む): 131675104

約数和(自身を除く): 44955613

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 17551, 52653, 157959, 473877, 1070611, 1421631, 3211833, 9635499, 28906497, 86719491]

約数ペア:

[(1, 86719491), (3, 28906497), (9, 9635499), (27, 3211833), (61, 1421631), (81, 1070611), (183, 473877), (549, 157959), (1647, 52653), (4941, 17551)]