31311657

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2411}}^1$

素因数の和:2470

約数の個数: 32

約数和(自身を含む): 51327360

約数和(自身を除く): 20015703

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 2411, 4329, 7233, 12987, 21699, 31343, 65097, 89207, 94029, 267621, 282087, 802863, 846261, 1159691, 2408589, 3479073, 10437219, 31311657]

約数ペア:

[(1, 31311657), (3, 10437219), (9, 3479073), (13, 2408589), (27, 1159691), (37, 846261), (39, 802863), (111, 282087), (117, 267621), (333, 94029), (351, 89207), (481, 65097), (999, 31343), (1443, 21699), (2411, 12987), (4329, 7233)]