28779069

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^2\times {\mathrm{173}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 42703776

約数和(自身を除く): 13924707

約数列:

[1, 3, 11, 33, 71, 173, 213, 519, 781, 1903, 2343, 5041, 5709, 12283, 15123, 36849, 55451, 135113, 166353, 405339, 872093, 2616279, 9593023, 28779069]

約数ペア:

[(1, 28779069), (3, 9593023), (11, 2616279), (33, 872093), (71, 405339), (173, 166353), (213, 135113), (519, 55451), (781, 36849), (1903, 15123), (2343, 12283), (5041, 5709)]