81756531

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{1087}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 121016064

約数和(自身を除く): 39259533

約数列:

[1, 3, 9, 61, 137, 183, 411, 549, 1087, 1233, 3261, 8357, 9783, 25071, 66307, 75213, 148919, 198921, 446757, 596763, 1340271, 9084059, 27252177, 81756531]

約数ペア:

[(1, 81756531), (3, 27252177), (9, 9084059), (61, 1340271), (137, 596763), (183, 446757), (411, 198921), (549, 148919), (1087, 75213), (1233, 66307), (3261, 25071), (8357, 9783)]