28609521

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{7901}}^1$

素因数の和:7992

約数の個数: 16

約数和(自身を含む): 40963968

約数和(自身を除く): 12354447

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 7901, 23703, 134317, 402951, 560971, 1682913, 9536507, 28609521]

約数ペア:

[(1, 28609521), (3, 9536507), (17, 1682913), (51, 560971), (71, 402951), (213, 134317), (1207, 23703), (3621, 7901)]