28403982

素因数分解:

$2^1\times 3^2\times {\mathrm{1577999}}^1$

素因数の和:1578007

約数の個数: 12

約数和(自身を含む): 61542000

約数和(自身を除く): 33138018

約数列:

[1, 2, 3, 6, 9, 18, 1577999, 3155998, 4733997, 9467994, 14201991, 28403982]

約数ペア:

[(1, 28403982), (2, 14201991), (3, 9467994), (6, 4733997), (9, 3155998), (18, 1577999)]