28159893

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{1747}}^1$

素因数の和:1958

約数の個数: 20

約数和(自身を含む): 42301600

約数和(自身を除く): 14141707

約数列:

[1, 3, 9, 27, 81, 199, 597, 1747, 1791, 5241, 5373, 15723, 16119, 47169, 141507, 347653, 1042959, 3128877, 9386631, 28159893]

約数ペア:

[(1, 28159893), (3, 9386631), (9, 3128877), (27, 1042959), (81, 347653), (199, 141507), (597, 47169), (1747, 16119), (1791, 15723), (5241, 5373)]