20861127

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2417}}^1$

素因数の和:2567

約数の個数: 24

約数和(自身を含む): 34703136

約数和(自身を除く): 13842009

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2417, 2877, 7251, 8631, 16919, 21753, 50757, 152271, 331129, 993387, 2317903, 2980161, 6953709, 20861127]

約数ペア:

[(1, 20861127), (3, 6953709), (7, 2980161), (9, 2317903), (21, 993387), (63, 331129), (137, 152271), (411, 50757), (959, 21753), (1233, 16919), (2417, 8631), (2877, 7251)]