8672721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2143}}^1$

素因数の和:2236

約数の個数: 16

約数和(自身を含む): 12349440

約数和(自身を除く): 3676719

約数列:

[1, 3, 19, 57, 71, 213, 1349, 2143, 4047, 6429, 40717, 122151, 152153, 456459, 2890907, 8672721]

約数ペア:

[(1, 8672721), (3, 2890907), (19, 456459), (57, 152153), (71, 122151), (213, 40717), (1349, 6429), (2143, 4047)]