2553145

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 3779784

約数和(自身を除く): 1226639

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 613, 833, 3065, 4165, 4291, 10421, 21455, 30037, 52105, 72947, 150185, 364735, 510629, 2553145]

約数ペア:

[(1, 2553145), (5, 510629), (7, 364735), (17, 150185), (35, 72947), (49, 52105), (85, 30037), (119, 21455), (245, 10421), (595, 4291), (613, 4165), (833, 3065)]