256810023

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{8681}}^1$

素因数の和:8879

約数の個数: 24

約数和(自身を含む): 392773680

約数和(自身を除く): 135963657

約数列:

[1, 3, 9, 19, 57, 171, 173, 519, 1557, 3287, 8681, 9861, 26043, 29583, 78129, 164939, 494817, 1484451, 1501813, 4505439, 13516317, 28534447, 85603341, 256810023]

約数ペア:

[(1, 256810023), (3, 85603341), (9, 28534447), (19, 13516317), (57, 4505439), (171, 1501813), (173, 1484451), (519, 494817), (1557, 164939), (3287, 78129), (8681, 29583), (9861, 26043)]