25531272009

素因数分解:

$3^9\times {\mathrm{1297123}}^1$

素因数の和:1297150

約数の個数: 20

約数和(自身を含む): 38296288976

約数和(自身を除く): 12765016967

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 6561, 19683, 1297123, 3891369, 11674107, 35022321, 105066963, 315200889, 945602667, 2836808001, 8510424003, 25531272009]

約数ペア:

[(1, 25531272009), (3, 8510424003), (9, 2836808001), (27, 945602667), (81, 315200889), (243, 105066963), (729, 35022321), (2187, 11674107), (6561, 3891369), (19683, 1297123)]