31856013

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4639}}^1$

素因数の和:4761

約数の個数: 24

約数和(自身を含む): 53081600

約数和(自身を除く): 21225587

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 4639, 6867, 13917, 32473, 41751, 97419, 292257, 505651, 1516953, 3539557, 4550859, 10618671, 31856013]

約数ペア:

[(1, 31856013), (3, 10618671), (7, 4550859), (9, 3539557), (21, 1516953), (63, 505651), (109, 292257), (327, 97419), (763, 41751), (981, 32473), (2289, 13917), (4639, 6867)]