31979619

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4657}}^1$

素因数の和:4779

約数の個数: 24

約数和(自身を含む): 53287520

約数和(自身を除く): 21307901

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 4657, 6867, 13971, 32599, 41913, 97797, 293391, 507613, 1522839, 3553291, 4568517, 10659873, 31979619]

約数ペア:

[(1, 31979619), (3, 10659873), (7, 4568517), (9, 3553291), (21, 1522839), (63, 507613), (109, 293391), (327, 97797), (763, 41913), (981, 32599), (2289, 13971), (4657, 6867)]