28639341

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{44819}}^1$

素因数の和:44896

約数の個数: 12

約数和(自身を含む): 41951520

約数和(自身を除く): 13312179

約数列:

[1, 3, 9, 71, 213, 639, 44819, 134457, 403371, 3182149, 9546447, 28639341]

約数ペア:

[(1, 28639341), (3, 9546447), (9, 3182149), (71, 403371), (213, 134457), (639, 44819)]