720921609

素因数分解:

$3^2\times {\mathrm{1231}}^1\times {\mathrm{65071}}^1$

素因数の和:66308

約数の個数: 12

約数和(自身を含む): 1042193152

約数和(自身を除く): 321271543

約数列:

[1, 3, 9, 1231, 3693, 11079, 65071, 195213, 585639, 80102401, 240307203, 720921609]

約数ペア:

[(1, 720921609), (3, 240307203), (9, 80102401), (1231, 585639), (3693, 195213), (11079, 65071)]