28708761

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{3037}}^1$

素因数の和:3200

約数の個数: 16

約数和(自身を含む): 40247424

約数和(自身を除く): 11538663

約数列:

[1, 3, 23, 69, 137, 411, 3037, 3151, 9111, 9453, 69851, 209553, 416069, 1248207, 9569587, 28708761]

約数ペア:

[(1, 28708761), (3, 9569587), (23, 1248207), (69, 416069), (137, 209553), (411, 69851), (3037, 9453), (3151, 9111)]