28085049

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{3181}}^1$

素因数の和:3302

約数の個数: 20

約数和(自身を含む): 42352420

約数和(自身を除く): 14267371

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 3181, 8829, 9543, 28629, 85887, 257661, 346729, 1040187, 3120561, 9361683, 28085049]

約数ペア:

[(1, 28085049), (3, 9361683), (9, 3120561), (27, 1040187), (81, 346729), (109, 257661), (327, 85887), (981, 28629), (2943, 9543), (3181, 8829)]