83807865

素因数分解:

$3^4\times 5^1\times {\mathrm{206933}}^1$

素因数の和:206950

約数の個数: 20

約数和(自身を含む): 150234084

約数和(自身を除く): 66426219

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 206933, 620799, 1034665, 1862397, 3103995, 5587191, 9311985, 16761573, 27935955, 83807865]

約数ペア:

[(1, 83807865), (3, 27935955), (5, 16761573), (9, 9311985), (15, 5587191), (27, 3103995), (45, 1862397), (81, 1034665), (135, 620799), (405, 206933)]