64137921

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{2371}}^1$

素因数の和:2572

約数の個数: 16

約数和(自身を含む): 87441408

約数和(自身を除く): 23303487

約数列:

[1, 3, 71, 127, 213, 381, 2371, 7113, 9017, 27051, 168341, 301117, 505023, 903351, 21379307, 64137921]

約数ペア:

[(1, 64137921), (3, 21379307), (71, 903351), (127, 505023), (213, 301117), (381, 168341), (2371, 27051), (7113, 9017)]