12780867

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 18941328

約数和(自身を除く): 6160461

約数列:

[1, 3, 11, 33, 121, 137, 257, 363, 411, 771, 1507, 2827, 4521, 8481, 16577, 31097, 35209, 49731, 93291, 105627, 387299, 1161897, 4260289, 12780867]

約数ペア:

[(1, 12780867), (3, 4260289), (11, 1161897), (33, 387299), (121, 105627), (137, 93291), (257, 49731), (363, 35209), (411, 31097), (771, 16577), (1507, 8481), (2827, 4521)]