28565703

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{4831}}^1$

素因数の和:4916

約数の個数: 20

約数和(自身を含む): 43265728

約数和(自身を除く): 14700025

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 4831, 5913, 14493, 43479, 130437, 352663, 391311, 1057989, 3173967, 9521901, 28565703]

約数ペア:

[(1, 28565703), (3, 9521901), (9, 3173967), (27, 1057989), (73, 391311), (81, 352663), (219, 130437), (657, 43479), (1971, 14493), (4831, 5913)]