31899501

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{1979}}^1$

素因数の和:2190

約数の個数: 20

約数和(自身を含む): 47916000

約数和(自身を除く): 16016499

約数列:

[1, 3, 9, 27, 81, 199, 597, 1791, 1979, 5373, 5937, 16119, 17811, 53433, 160299, 393821, 1181463, 3544389, 10633167, 31899501]

約数ペア:

[(1, 31899501), (3, 10633167), (9, 3544389), (27, 1181463), (81, 393821), (199, 160299), (597, 53433), (1791, 17811), (1979, 16119), (5373, 5937)]