28243059

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4001}}^1$

素因数の和:4198

約数の個数: 16

約数和(自身を含む): 40788384

約数和(自身を除く): 12545325

約数列:

[1, 3, 13, 39, 181, 543, 2353, 4001, 7059, 12003, 52013, 156039, 724181, 2172543, 9414353, 28243059]

約数ペア:

[(1, 28243059), (3, 9414353), (13, 2172543), (39, 724181), (181, 156039), (543, 52013), (2353, 12003), (4001, 7059)]