28381485

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{172009}}^1$

素因数の和:172028

約数の個数: 16

約数和(自身を含む): 49538880

約数和(自身を除く): 21157395

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 172009, 516027, 860045, 1892099, 2580135, 5676297, 9460495, 28381485]

約数ペア:

[(1, 28381485), (3, 9460495), (5, 5676297), (11, 2580135), (15, 1892099), (33, 860045), (55, 516027), (165, 172009)]