72085209

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{43451}}^1$

素因数の和:43540

約数の個数: 16

約数和(自身を含む): 111237120

約数和(自身を除く): 39151911

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 43451, 130353, 304157, 912471, 3432629, 10297887, 24028403, 72085209]

約数ペア:

[(1, 72085209), (3, 24028403), (7, 10297887), (21, 3432629), (79, 912471), (237, 304157), (553, 130353), (1659, 43451)]