15864095

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7873}}^1$

素因数の和:7922

約数の個数: 16

約数和(自身を含む): 21165312

約数和(自身を除く): 5301217

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 7873, 39365, 102349, 244063, 511745, 1220315, 3172819, 15864095]

約数ペア:

[(1, 15864095), (5, 3172819), (13, 1220315), (31, 511745), (65, 244063), (155, 102349), (403, 39365), (2015, 7873)]