87912909

素因数分解:

$3^2\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1223}}^1$

素因数の和:1406

約数の個数: 36

約数和(自身を含む): 148745376

約数和(自身を除く): 60832467

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 163, 441, 489, 1141, 1223, 1467, 3423, 3669, 7987, 8561, 10269, 11007, 23961, 25683, 59927, 71883, 77049, 179781, 199349, 539343, 598047, 1395443, 1794141, 4186329, 9768101, 12558987, 29304303, 87912909]

約数ペア:

[(1, 87912909), (3, 29304303), (7, 12558987), (9, 9768101), (21, 4186329), (49, 1794141), (63, 1395443), (147, 598047), (163, 539343), (441, 199349), (489, 179781), (1141, 77049), (1223, 71883), (1467, 59927), (3423, 25683), (3669, 23961), (7987, 11007), (8561, 10269)]