28304217

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 42127904

約数和(自身を除く): 13823687

約数列:

[1, 3, 9, 67, 73, 201, 219, 603, 643, 657, 1929, 4891, 5787, 14673, 43081, 44019, 46939, 129243, 140817, 387729, 422451, 3144913, 9434739, 28304217]

約数ペア:

[(1, 28304217), (3, 9434739), (9, 3144913), (67, 422451), (73, 387729), (201, 140817), (219, 129243), (603, 46939), (643, 44019), (657, 43081), (1929, 14673), (4891, 5787)]