28187709

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{11701}}^1$

素因数の和:11788

約数の個数: 16

約数和(自身を含む): 41565504

約数和(自身を除く): 13377795

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 11701, 35103, 128711, 386133, 854173, 2562519, 9395903, 28187709]

約数ペア:

[(1, 28187709), (3, 9395903), (11, 2562519), (33, 854173), (73, 386133), (219, 128711), (803, 35103), (2409, 11701)]