16885953

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2459}}^1$

素因数の和:2581

約数の個数: 24

約数和(自身を含む): 28142400

約数和(自身を除く): 11256447

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 2459, 6867, 7377, 17213, 22131, 51639, 154917, 268031, 804093, 1876217, 2412279, 5628651, 16885953]

約数ペア:

[(1, 16885953), (3, 5628651), (7, 2412279), (9, 1876217), (21, 804093), (63, 268031), (109, 154917), (327, 51639), (763, 22131), (981, 17213), (2289, 7377), (2459, 6867)]