85721211

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{823}}^1$

素因数の和:1063

約数の個数: 24

約数和(自身を含む): 126487296

約数和(自身を除く): 40766085

約数列:

[1, 3, 9, 71, 163, 213, 489, 639, 823, 1467, 2469, 7407, 11573, 34719, 58433, 104157, 134149, 175299, 402447, 525897, 1207341, 9524579, 28573737, 85721211]

約数ペア:

[(1, 85721211), (3, 28573737), (9, 9524579), (71, 1207341), (163, 525897), (213, 402447), (489, 175299), (639, 134149), (823, 104157), (1467, 58433), (2469, 34719), (7407, 11573)]