168555

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 285984

約数和(自身を除く): 117429

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 661, 1983, 3305, 9915, 11237, 33711, 56185, 168555]

約数ペア:

[(1, 168555), (3, 56185), (5, 33711), (15, 11237), (17, 9915), (51, 3305), (85, 1983), (255, 661)]