20210141907

素因数分解:

$3^2\times {\mathrm{73}}^2\times {\mathrm{283}}^1\times {\mathrm{1489}}^1$

素因数の和:1924

約数の個数: 36

約数和(自身を含む): 29722335240

約数和(自身を除く): 9512193333

約数列:

[1, 3, 9, 73, 219, 283, 657, 849, 1489, 2547, 4467, 5329, 13401, 15987, 20659, 47961, 61977, 108697, 185931, 326091, 421387, 978273, 1264161, 1508107, 3792483, 4524321, 7934881, 13572963, 23804643, 30761251, 71413929, 92283753, 276851259, 2245571323, 6736713969, 20210141907]

約数ペア:

[(1, 20210141907), (3, 6736713969), (9, 2245571323), (73, 276851259), (219, 92283753), (283, 71413929), (657, 30761251), (849, 23804643), (1489, 13572963), (2547, 7934881), (4467, 4524321), (5329, 3792483), (13401, 1508107), (15987, 1264161), (20659, 978273), (47961, 421387), (61977, 326091), (108697, 185931)]