16831221

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 24897600

約数和(自身を除く): 8066379

約数列:

[1, 3, 11, 33, 121, 199, 233, 363, 597, 699, 2189, 2563, 6567, 7689, 24079, 28193, 46367, 72237, 84579, 139101, 510037, 1530111, 5610407, 16831221]

約数ペア:

[(1, 16831221), (3, 5610407), (11, 1530111), (33, 510037), (121, 139101), (199, 84579), (233, 72237), (363, 46367), (597, 28193), (699, 24079), (2189, 7689), (2563, 6567)]