31660811

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2161}}^1$

素因数の和:2211

約数の個数: 24

約数和(自身を含む): 41406624

約数和(自身を除く): 9745813

約数列:

[1, 7, 13, 23, 49, 91, 161, 299, 637, 1127, 2093, 2161, 14651, 15127, 28093, 49703, 105889, 196651, 347921, 646139, 1376557, 2435447, 4522973, 31660811]

約数ペア:

[(1, 31660811), (7, 4522973), (13, 2435447), (23, 1376557), (49, 646139), (91, 347921), (161, 196651), (299, 105889), (637, 49703), (1127, 28093), (2093, 15127), (2161, 14651)]