90431919

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{1033}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 133559712

約数和(自身を除く): 43127793

約数列:

[1, 3, 9, 71, 137, 213, 411, 639, 1033, 1233, 3099, 9297, 9727, 29181, 73343, 87543, 141521, 220029, 424563, 660087, 1273689, 10047991, 30143973, 90431919]

約数ペア:

[(1, 90431919), (3, 30143973), (9, 10047991), (71, 1273689), (137, 660087), (213, 424563), (411, 220029), (639, 141521), (1033, 87543), (1233, 73343), (3099, 29181), (9297, 9727)]