28185729

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{65701}}^1$

素因数の和:65728

約数の個数: 16

約数和(自身を含む): 44151744

約数和(自身を除く): 15966015

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 65701, 197103, 722711, 854113, 2168133, 2562339, 9395243, 28185729]

約数ペア:

[(1, 28185729), (3, 9395243), (11, 2562339), (13, 2168133), (33, 854113), (39, 722711), (143, 197103), (429, 65701)]