28557819

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{14489}}^1$

素因数の和:14571

約数の個数: 16

約数和(自身を含む): 42890400

約数和(自身を除く): 14332581

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 14489, 43467, 130401, 391203, 1057697, 3173091, 9519273, 28557819]

約数ペア:

[(1, 28557819), (3, 9519273), (9, 3173091), (27, 1057697), (73, 391203), (219, 130401), (657, 43467), (1971, 14489)]