28721589

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{1013}}^1$

素因数の和:1756

約数の個数: 16

約数和(自身を含む): 41338752

約数和(自身を除く): 12617163

約数列:

[1, 3, 13, 39, 727, 1013, 2181, 3039, 9451, 13169, 28353, 39507, 736451, 2209353, 9573863, 28721589]

約数ペア:

[(1, 28721589), (3, 9573863), (13, 2209353), (39, 736451), (727, 39507), (1013, 28353), (2181, 13169), (3039, 9451)]