31371613

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2897}}^1$

素因数の和:2941

約数の個数: 24

約数和(自身を含む): 41626872

約数和(自身を除く): 10255259

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 2897, 10829, 20279, 37661, 49249, 141953, 263627, 344743, 640237, 1845389, 2413201, 4481659, 31371613]

約数ペア:

[(1, 31371613), (7, 4481659), (13, 2413201), (17, 1845389), (49, 640237), (91, 344743), (119, 263627), (221, 141953), (637, 49249), (833, 37661), (1547, 20279), (2897, 10829)]