28703079

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{3251}}^1$

素因数の和:3372

約数の個数: 20

約数和(自身を含む): 43284120

約数和(自身を除く): 14581041

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 3251, 8829, 9753, 29259, 87777, 263331, 354359, 1063077, 3189231, 9567693, 28703079]

約数ペア:

[(1, 28703079), (3, 9567693), (9, 3189231), (27, 1063077), (81, 354359), (109, 263331), (327, 87777), (981, 29259), (2943, 9753), (3251, 8829)]