261058869

素因数分解:

$3^4\times {\mathrm{1181}}^1\times {\mathrm{2729}}^1$

素因数の和:3922

約数の個数: 20

約数和(自身を含む): 390450060

約数和(自身を除く): 129391191

約数列:

[1, 3, 9, 27, 81, 1181, 2729, 3543, 8187, 10629, 24561, 31887, 73683, 95661, 221049, 3222949, 9668847, 29006541, 87019623, 261058869]

約数ペア:

[(1, 261058869), (3, 87019623), (9, 29006541), (27, 9668847), (81, 3222949), (1181, 221049), (2729, 95661), (3543, 73683), (8187, 31887), (10629, 24561)]