28756737

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 42398720

約数和(自身を除く): 13641983

約数列:

[1, 3, 9, 127, 139, 181, 381, 417, 543, 1143, 1251, 1629, 17653, 22987, 25159, 52959, 68961, 75477, 158877, 206883, 226431, 3195193, 9585579, 28756737]

約数ペア:

[(1, 28756737), (3, 9585579), (9, 3195193), (127, 226431), (139, 206883), (181, 158877), (381, 75477), (417, 68961), (543, 52959), (1143, 25159), (1251, 22987), (1629, 17653)]