120640821

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{72719}}^1$

素因数の和:72808

約数の個数: 16

約数和(自身を含む): 186163200

約数和(自身を除く): 65522379

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 72719, 218157, 509033, 1527099, 5744801, 17234403, 40213607, 120640821]

約数ペア:

[(1, 120640821), (3, 40213607), (7, 17234403), (21, 5744801), (79, 1527099), (237, 509033), (553, 218157), (1659, 72719)]