25572561

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{4243}}^1$

素因数の和:4301

約数の個数: 24

約数和(自身を含む): 40640544

約数和(自身を除く): 15067983

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 4243, 6027, 12729, 29701, 89103, 173963, 207907, 521889, 623721, 1217741, 3653223, 8524187, 25572561]

約数ペア:

[(1, 25572561), (3, 8524187), (7, 3653223), (21, 1217741), (41, 623721), (49, 521889), (123, 207907), (147, 173963), (287, 89103), (861, 29701), (2009, 12729), (4243, 6027)]