12881511

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{1459}}^1$

素因数の和:1580

約数の個数: 20

約数和(自身を含む): 19432600

約数和(自身を除く): 6551089

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 1459, 2943, 4377, 8829, 13131, 39393, 118179, 159031, 477093, 1431279, 4293837, 12881511]

約数ペア:

[(1, 12881511), (3, 4293837), (9, 1431279), (27, 477093), (81, 159031), (109, 118179), (327, 39393), (981, 13131), (1459, 8829), (2943, 4377)]