28312479

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3967}}^1$

素因数の和:4047

約数の個数: 24

約数和(自身を含む): 44774912

約数和(自身を除く): 16462433

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 3967, 7137, 11901, 35703, 51571, 154713, 241987, 464139, 725961, 2177883, 3145831, 9437493, 28312479]

約数ペア:

[(1, 28312479), (3, 9437493), (9, 3145831), (13, 2177883), (39, 725961), (61, 464139), (117, 241987), (183, 154713), (549, 51571), (793, 35703), (2379, 11901), (3967, 7137)]