87478713

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{12739}}^1$

素因数の和:12861

約数の個数: 24

約数和(自身を含む): 145745600

約数和(自身を除く): 58266887

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 12739, 38217, 89173, 114651, 267519, 802557, 1388551, 4165653, 9719857, 12496959, 29159571, 87478713]

約数ペア:

[(1, 87478713), (3, 29159571), (7, 12496959), (9, 9719857), (21, 4165653), (63, 1388551), (109, 802557), (327, 267519), (763, 114651), (981, 89173), (2289, 38217), (6867, 12739)]