2001555

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2341}}^1$

素因数の和:2371

約数の個数: 24

約数和(自身を含む): 3653520

約数和(自身を除く): 1651965

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 2341, 7023, 11705, 21069, 35115, 44479, 105345, 133437, 222395, 400311, 667185, 2001555]

約数ペア:

[(1, 2001555), (3, 667185), (5, 400311), (9, 222395), (15, 133437), (19, 105345), (45, 44479), (57, 35115), (95, 21069), (171, 11705), (285, 7023), (855, 2341)]