121381209

素因数分解:

$3^2\times {\mathrm{79}}^2\times {\mathrm{2161}}^1$

素因数の和:2325

約数の個数: 18

約数和(自身を含む): 177658026

約数和(自身を除く): 56276817

約数列:

[1, 3, 9, 79, 237, 711, 2161, 6241, 6483, 18723, 19449, 56169, 170719, 512157, 1536471, 13486801, 40460403, 121381209]

約数ペア:

[(1, 121381209), (3, 40460403), (9, 13486801), (79, 1536471), (237, 512157), (711, 170719), (2161, 56169), (6241, 19449), (6483, 18723)]