90128079

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{20479}}^1$

素因数の和:20651

約数の個数: 16

約数和(自身を含む): 134348800

約数和(自身を除く): 44220721

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 20479, 61437, 184311, 552933, 3338077, 10014231, 30042693, 90128079]

約数ペア:

[(1, 90128079), (3, 30042693), (9, 10014231), (27, 3338077), (163, 552933), (489, 184311), (1467, 61437), (4401, 20479)]