28385685

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8641}}^1$

素因数の和:8725

約数の個数: 24

約数和(自身を含む): 49881624

約数和(自身を除く): 21495939

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 8641, 25923, 43205, 77769, 129615, 388845, 630793, 1892379, 3153965, 5677137, 9461895, 28385685]

約数ペア:

[(1, 28385685), (3, 9461895), (5, 5677137), (9, 3153965), (15, 1892379), (45, 630793), (73, 388845), (219, 129615), (365, 77769), (657, 43205), (1095, 25923), (3285, 8641)]