31870995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1193}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 55363392

約数和(自身を除く): 23492397

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 685, 1193, 1781, 2055, 3579, 5343, 5965, 8905, 15509, 17895, 26715, 46527, 77545, 163441, 232635, 490323, 817205, 2124733, 2451615, 6374199, 10623665, 31870995]

約数ペア:

[(1, 31870995), (3, 10623665), (5, 6374199), (13, 2451615), (15, 2124733), (39, 817205), (65, 490323), (137, 232635), (195, 163441), (411, 77545), (685, 46527), (1193, 26715), (1781, 17895), (2055, 15509), (3579, 8905), (5343, 5965)]