1905111

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 3123120

約数和(自身を除く): 1218009

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 857, 2223, 2571, 7713, 11141, 16283, 33423, 48849, 100269, 146547, 211679, 635037, 1905111]

約数ペア:

[(1, 1905111), (3, 635037), (9, 211679), (13, 146547), (19, 100269), (39, 48849), (57, 33423), (117, 16283), (171, 11141), (247, 7713), (741, 2571), (857, 2223)]