2581587

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 4060160

約数和(自身を除く): 1478573

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 487, 589, 1461, 1767, 4383, 5301, 9253, 15097, 27759, 45291, 83277, 135873, 286843, 860529, 2581587]

約数ペア:

[(1, 2581587), (3, 860529), (9, 286843), (19, 135873), (31, 83277), (57, 45291), (93, 27759), (171, 15097), (279, 9253), (487, 5301), (589, 4383), (1461, 1767)]