31188729

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72701}}^1$

素因数の和:72728

約数の個数: 16

約数和(自身を含む): 48855744

約数和(自身を除く): 17667015

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 72701, 218103, 799711, 945113, 2399133, 2835339, 10396243, 31188729]

約数ペア:

[(1, 31188729), (3, 10396243), (11, 2835339), (13, 2399133), (33, 945113), (39, 799711), (143, 218103), (429, 72701)]