2501205

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 4826304

約数和(自身を除く): 2325099

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 49, 83, 105, 123, 147, 205, 245, 249, 287, 415, 581, 615, 735, 861, 1245, 1435, 1743, 2009, 2905, 3403, 4067, 4305, 6027, 8715, 10045, 10209, 12201, 17015, 20335, 23821, 30135, 51045, 61005, 71463, 119105, 166747, 357315, 500241, 833735, 2501205]

約数ペア:

[(1, 2501205), (3, 833735), (5, 500241), (7, 357315), (15, 166747), (21, 119105), (35, 71463), (41, 61005), (49, 51045), (83, 30135), (105, 23821), (123, 20335), (147, 17015), (205, 12201), (245, 10209), (249, 10045), (287, 8715), (415, 6027), (581, 4305), (615, 4067), (735, 3403), (861, 2905), (1245, 2009), (1435, 1743)]