25452021

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^2\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 36

約数和(自身を含む): 40855776

約数和(自身を除く): 15403755

約数列:

[1, 3, 7, 21, 41, 49, 103, 123, 147, 287, 309, 721, 861, 1681, 2009, 2163, 4223, 5043, 5047, 6027, 11767, 12669, 15141, 29561, 35301, 82369, 88683, 173143, 206927, 247107, 519429, 620781, 1212001, 3636003, 8484007, 25452021]

約数ペア:

[(1, 25452021), (3, 8484007), (7, 3636003), (21, 1212001), (41, 620781), (49, 519429), (103, 247107), (123, 206927), (147, 173143), (287, 88683), (309, 82369), (721, 35301), (861, 29561), (1681, 15141), (2009, 12669), (2163, 11767), (4223, 6027), (5043, 5047)]