81755805

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{320611}}^1$

素因数の和:320636

約数の個数: 16

約数和(自身を含む): 138504384

約数和(自身を除く): 56748579

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 320611, 961833, 1603055, 4809165, 5450387, 16351161, 27251935, 81755805]

約数ペア:

[(1, 81755805), (3, 27251935), (5, 16351161), (15, 5450387), (17, 4809165), (51, 1603055), (85, 961833), (255, 320611)]