25389693

素因数分解:

$3^4\times 7^2\times {\mathrm{6397}}^1$

素因数の和:6423

約数の個数: 30

約数和(自身を含む): 44127006

約数和(自身を除く): 18737313

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 6397, 19191, 44779, 57573, 134337, 172719, 313453, 403011, 518157, 940359, 1209033, 2821077, 3627099, 8463231, 25389693]

約数ペア:

[(1, 25389693), (3, 8463231), (7, 3627099), (9, 2821077), (21, 1209033), (27, 940359), (49, 518157), (63, 403011), (81, 313453), (147, 172719), (189, 134337), (441, 57573), (567, 44779), (1323, 19191), (3969, 6397)]