25649883

素因数分解:

$3^2\times 7^4\times {\mathrm{1187}}^1$

素因数の和:1221

約数の個数: 30

約数和(自身を含む): 43258644

約数和(自身を除く): 17608761

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 1187, 2401, 3087, 3561, 7203, 8309, 10683, 21609, 24927, 58163, 74781, 174489, 407141, 523467, 1221423, 2849987, 3664269, 8549961, 25649883]

約数ペア:

[(1, 25649883), (3, 8549961), (7, 3664269), (9, 2849987), (21, 1221423), (49, 523467), (63, 407141), (147, 174489), (343, 74781), (441, 58163), (1029, 24927), (1187, 21609), (2401, 10683), (3087, 8309), (3561, 7203)]