12781017

素因数分解:

$3^3\times {\mathrm{379}}^1\times {\mathrm{1249}}^1$

素因数の和:1637

約数の個数: 16

約数和(自身を含む): 19000000

約数和(自身を除く): 6218983

約数列:

[1, 3, 9, 27, 379, 1137, 1249, 3411, 3747, 10233, 11241, 33723, 473371, 1420113, 4260339, 12781017]

約数ペア:

[(1, 12781017), (3, 4260339), (9, 1420113), (27, 473371), (379, 33723), (1137, 11241), (1249, 10233), (3411, 3747)]