30978009

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 45882720

約数和(自身を除く): 14904711

約数列:

[1, 3, 9, 59, 177, 227, 257, 531, 681, 771, 2043, 2313, 13393, 15163, 40179, 45489, 58339, 120537, 136467, 175017, 525051, 3442001, 10326003, 30978009]

約数ペア:

[(1, 30978009), (3, 10326003), (9, 3442001), (59, 525051), (177, 175017), (227, 136467), (257, 120537), (531, 58339), (681, 45489), (771, 40179), (2043, 15163), (2313, 13393)]