51220953

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{7459}}^1$

素因数の和:7581

約数の個数: 24

約数和(自身を含む): 85342400

約数和(自身を除く): 34121447

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 7459, 22377, 52213, 67131, 156639, 469917, 813031, 2439093, 5691217, 7317279, 17073651, 51220953]

約数ペア:

[(1, 51220953), (3, 17073651), (7, 7317279), (9, 5691217), (21, 2439093), (63, 813031), (109, 469917), (327, 156639), (763, 67131), (981, 52213), (2289, 22377), (6867, 7459)]