15961881

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1657}}^1$

素因数の和:1705

約数の個数: 24

約数和(自身を含む): 24273120

約数和(自身を除く): 8311239

約数列:

[1, 3, 13, 19, 39, 57, 169, 247, 507, 741, 1657, 3211, 4971, 9633, 21541, 31483, 64623, 94449, 280033, 409279, 840099, 1227837, 5320627, 15961881]

約数ペア:

[(1, 15961881), (3, 5320627), (13, 1227837), (19, 840099), (39, 409279), (57, 280033), (169, 94449), (247, 64623), (507, 31483), (741, 21541), (1657, 9633), (3211, 4971)]