28979919

素因数分解:

$3^2\times {\mathrm{1721}}^1\times {\mathrm{1871}}^1$

素因数の和:3598

約数の個数: 12

約数和(自身を含む): 41906592

約数和(自身を除く): 12926673

約数列:

[1, 3, 9, 1721, 1871, 5163, 5613, 15489, 16839, 3219991, 9659973, 28979919]

約数ペア:

[(1, 28979919), (3, 9659973), (9, 3219991), (1721, 16839), (1871, 15489), (5163, 5613)]