28161393

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{3181}}^1$

素因数の和:3424

約数の個数: 16

約数和(自身を含む): 40627776

約数和(自身を除く): 12466383

約数列:

[1, 3, 13, 39, 227, 681, 2951, 3181, 8853, 9543, 41353, 124059, 722087, 2166261, 9387131, 28161393]

約数ペア:

[(1, 28161393), (3, 9387131), (13, 2166261), (39, 722087), (227, 124059), (681, 41353), (2951, 9543), (3181, 8853)]