90040209

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{70289}}^1$

素因数の和:70360

約数の個数: 16

約数和(自身を含む): 139455360

約数和(自身を除く): 49415151

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 70289, 210867, 492023, 1476069, 4287629, 12862887, 30013403, 90040209]

約数ペア:

[(1, 90040209), (3, 30013403), (7, 12862887), (21, 4287629), (61, 1476069), (183, 492023), (427, 210867), (1281, 70289)]