25290405

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{80287}}^1$

素因数の和:80305

約数の個数: 24

約数和(自身を含む): 50099712

約数和(自身を除く): 24809307

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 80287, 240861, 401435, 562009, 722583, 1204305, 1686027, 2810045, 3612915, 5058081, 8430135, 25290405]

約数ペア:

[(1, 25290405), (3, 8430135), (5, 5058081), (7, 3612915), (9, 2810045), (15, 1686027), (21, 1204305), (35, 722583), (45, 562009), (63, 401435), (105, 240861), (315, 80287)]