71821953

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{10459}}^1$

素因数の和:10581

約数の個数: 24

約数和(自身を含む): 119662400

約数和(自身を除く): 47840447

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 10459, 31377, 73213, 94131, 219639, 658917, 1140031, 3420093, 7980217, 10260279, 23940651, 71821953]

約数ペア:

[(1, 71821953), (3, 23940651), (7, 10260279), (9, 7980217), (21, 3420093), (63, 1140031), (109, 658917), (327, 219639), (763, 94131), (981, 73213), (2289, 31377), (6867, 10459)]