25920531

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31649}}^1$

素因数の和:31675

約数の個数: 24

約数和(自身を含む): 46082400

約数和(自身を除く): 20161869

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 31649, 94947, 221543, 284841, 411437, 664629, 1234311, 1993887, 2880059, 3702933, 8640177, 25920531]

約数ペア:

[(1, 25920531), (3, 8640177), (7, 3702933), (9, 2880059), (13, 1993887), (21, 1234311), (39, 664629), (63, 411437), (91, 284841), (117, 221543), (273, 94947), (819, 31649)]