2017681731

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{212903}}^1$

素因数の和:212934

約数の個数: 28

約数和(自身を含む): 3257857008

約数和(自身を除く): 1240175277

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 3159, 9477, 212903, 638709, 1916127, 2767739, 5748381, 8303217, 17245143, 24909651, 51735429, 74728953, 155206287, 224186859, 672560577, 2017681731]

約数ペア:

[(1, 2017681731), (3, 672560577), (9, 224186859), (13, 155206287), (27, 74728953), (39, 51735429), (81, 24909651), (117, 17245143), (243, 8303217), (351, 5748381), (729, 2767739), (1053, 1916127), (3159, 638709), (9477, 212903)]