81771339

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{29531}}^1$

素因数の和:29618

約数の個数: 16

約数和(自身を含む): 119073024

約数和(自身を除く): 37301685

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 29531, 88593, 383903, 1151709, 2096701, 6290103, 27257113, 81771339]

約数ペア:

[(1, 81771339), (3, 27257113), (13, 6290103), (39, 2096701), (71, 1151709), (213, 383903), (923, 88593), (2769, 29531)]