28381881

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1907}}^1$

素因数の和:1973

約数の個数: 24

約数和(自身を含む): 42632352

約数和(自身を除く): 14250471

約数列:

[1, 3, 11, 33, 41, 121, 123, 363, 451, 1353, 1907, 4961, 5721, 14883, 20977, 62931, 78187, 230747, 234561, 692241, 860057, 2580171, 9460627, 28381881]

約数ペア:

[(1, 28381881), (3, 9460627), (11, 2580171), (33, 860057), (41, 692241), (121, 234561), (123, 230747), (363, 78187), (451, 62931), (1353, 20977), (1907, 14883), (4961, 5721)]