31793931

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{379}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 51072000

約数和(自身を除く): 19278069

約数列:

[1, 3, 9, 13, 27, 39, 117, 239, 351, 379, 717, 1137, 2151, 3107, 3411, 4927, 6453, 9321, 10233, 14781, 27963, 44343, 83889, 90581, 133029, 271743, 815229, 1177553, 2445687, 3532659, 10597977, 31793931]

約数ペア:

[(1, 31793931), (3, 10597977), (9, 3532659), (13, 2445687), (27, 1177553), (39, 815229), (117, 271743), (239, 133029), (351, 90581), (379, 83889), (717, 44343), (1137, 27963), (2151, 14781), (3107, 10233), (3411, 9321), (4927, 6453)]