87213321

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1031}}^1$

素因数の和:1294

約数の個数: 32

約数和(自身を含む): 139856640

約数和(自身を除く): 52643319

約数列:

[1, 3, 9, 13, 27, 39, 117, 241, 351, 723, 1031, 2169, 3093, 3133, 6507, 9279, 9399, 13403, 27837, 28197, 40209, 84591, 120627, 248471, 361881, 745413, 2236239, 3230123, 6708717, 9690369, 29071107, 87213321]

約数ペア:

[(1, 87213321), (3, 29071107), (9, 9690369), (13, 6708717), (27, 3230123), (39, 2236239), (117, 745413), (241, 361881), (351, 248471), (723, 120627), (1031, 84591), (2169, 40209), (3093, 28197), (3133, 27837), (6507, 13403), (9279, 9399)]