28564659

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 42588000

約数和(自身を除く): 14023341

約数列:

[1, 3, 9, 41, 123, 199, 369, 389, 597, 1167, 1791, 3501, 8159, 15949, 24477, 47847, 73431, 77411, 143541, 232233, 696699, 3173851, 9521553, 28564659]

約数ペア:

[(1, 28564659), (3, 9521553), (9, 3173851), (41, 696699), (123, 232233), (199, 143541), (369, 77411), (389, 73431), (597, 47847), (1167, 24477), (1791, 15949), (3501, 8159)]