31131846

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{21893}}^1$

素因数の和:21980

約数の個数: 24

約数和(自身を含む): 68309280

約数和(自身を除く): 37177434

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 1422, 21893, 43786, 65679, 131358, 197037, 394074, 1729547, 3459094, 5188641, 10377282, 15565923, 31131846]

約数ペア:

[(1, 31131846), (2, 15565923), (3, 10377282), (6, 5188641), (9, 3459094), (18, 1729547), (79, 394074), (158, 197037), (237, 131358), (474, 65679), (711, 43786), (1422, 21893)]