28188879

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:874

約数の個数: 16

約数和(自身を含む): 38276448

約数和(自身を除く): 10087569

約数列:

[1, 3, 97, 157, 291, 471, 617, 1851, 15229, 45687, 59849, 96869, 179547, 290607, 9396293, 28188879]

約数ペア:

[(1, 28188879), (3, 9396293), (97, 290607), (157, 179547), (291, 96869), (471, 59849), (617, 45687), (1851, 15229)]