81889893

素因数分解:

$3^3\times {\mathrm{199}}^1\times {\mathrm{15241}}^1$

素因数の和:15449

約数の個数: 16

約数和(自身を含む): 121936000

約数和(自身を除く): 40046107

約数列:

[1, 3, 9, 27, 199, 597, 1791, 5373, 15241, 45723, 137169, 411507, 3032959, 9098877, 27296631, 81889893]

約数ペア:

[(1, 81889893), (3, 27296631), (9, 9098877), (27, 3032959), (199, 411507), (597, 137169), (1791, 45723), (5373, 15241)]