25054239

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{4157}}^1$

素因数の和:4215

約数の個数: 24

約数和(自身を含む): 39817008

約数和(自身を除く): 14762769

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 4157, 6027, 12471, 29099, 87297, 170437, 203693, 511311, 611079, 1193059, 3579177, 8351413, 25054239]

約数ペア:

[(1, 25054239), (3, 8351413), (7, 3579177), (21, 1193059), (41, 611079), (49, 511311), (123, 203693), (147, 170437), (287, 87297), (861, 29099), (2009, 12471), (4157, 6027)]