25403427

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{4157}}^1$

素因数の和:4267

約数の個数: 24

約数和(自身を含む): 42378336

約数和(自身を除く): 16974909

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 2037, 4157, 6111, 12471, 29099, 37413, 87297, 261891, 403229, 1209687, 2822603, 3629061, 8467809, 25403427]

約数ペア:

[(1, 25403427), (3, 8467809), (7, 3629061), (9, 2822603), (21, 1209687), (63, 403229), (97, 261891), (291, 87297), (679, 37413), (873, 29099), (2037, 12471), (4157, 6111)]