87431877

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{1621}}^1$

素因数の和:2101

約数の個数: 24

約数和(自身を含む): 136384248

約数和(自身を除く): 48952371

約数列:

[1, 3, 9, 13, 39, 117, 461, 1383, 1621, 4149, 4863, 5993, 14589, 17979, 21073, 53937, 63219, 189657, 747281, 2241843, 6725529, 9714653, 29143959, 87431877]

約数ペア:

[(1, 87431877), (3, 29143959), (9, 9714653), (13, 6725529), (39, 2241843), (117, 747281), (461, 189657), (1383, 63219), (1621, 53937), (4149, 21073), (4863, 17979), (5993, 14589)]