25880211

素因数分解:

$3^2\times 7^1\times {\mathrm{547}}^1\times {\mathrm{751}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 42857984

約数和(自身を除く): 16977773

約数列:

[1, 3, 7, 9, 21, 63, 547, 751, 1641, 2253, 3829, 4923, 5257, 6759, 11487, 15771, 34461, 47313, 410797, 1232391, 2875579, 3697173, 8626737, 25880211]

約数ペア:

[(1, 25880211), (3, 8626737), (7, 3697173), (9, 2875579), (21, 1232391), (63, 410797), (547, 47313), (751, 34461), (1641, 15771), (2253, 11487), (3829, 6759), (4923, 5257)]