25282971

素因数分解:

$3^2\times 7^2\times {\mathrm{57331}}^1$

素因数の和:57351

約数の個数: 18

約数和(自身を含む): 42483012

約数和(自身を除く): 17200041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 57331, 171993, 401317, 515979, 1203951, 2809219, 3611853, 8427657, 25282971]

約数ペア:

[(1, 25282971), (3, 8427657), (7, 3611853), (9, 2809219), (21, 1203951), (49, 515979), (63, 401317), (147, 171993), (441, 57331)]