19871127

素因数分解:

$3^2\times {\mathrm{1409}}^1\times {\mathrm{1567}}^1$

素因数の和:2982

約数の個数: 12

約数和(自身を含む): 28741440

約数和(自身を除く): 8870313

約数列:

[1, 3, 9, 1409, 1567, 4227, 4701, 12681, 14103, 2207903, 6623709, 19871127]

約数ペア:

[(1, 19871127), (3, 6623709), (9, 2207903), (1409, 14103), (1567, 12681), (4227, 4701)]