9903009

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2447}}^1$

素因数の和:2540

約数の個数: 16

約数和(自身を含む): 14100480

約数和(自身を除く): 4197471

約数列:

[1, 3, 19, 57, 71, 213, 1349, 2447, 4047, 7341, 46493, 139479, 173737, 521211, 3301003, 9903009]

約数ペア:

[(1, 9903009), (3, 3301003), (19, 521211), (57, 173737), (71, 139479), (213, 46493), (1349, 7341), (2447, 4047)]