25591419

素因数分解:

$3^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1013}}^1$

素因数の和:1427

約数の個数: 24

約数和(自身を含む): 42393312

約数和(自身を除く): 16801893

約数列:

[1, 3, 7, 9, 21, 63, 401, 1013, 1203, 2807, 3039, 3609, 7091, 8421, 9117, 21273, 25263, 63819, 406213, 1218639, 2843491, 3655917, 8530473, 25591419]

約数ペア:

[(1, 25591419), (3, 8530473), (7, 3655917), (9, 2843491), (21, 1218639), (63, 406213), (401, 63819), (1013, 25263), (1203, 21273), (2807, 9117), (3039, 8421), (3609, 7091)]