255000555

素因数分解:

$3^6\times 5^1\times {\mathrm{69959}}^1$

素因数の和:69982

約数の個数: 28

約数和(自身を含む): 458797680

約数和(自身を除く): 203797125

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 69959, 209877, 349795, 629631, 1049385, 1888893, 3148155, 5666679, 9444465, 17000037, 28333395, 51000111, 85000185, 255000555]

約数ペア:

[(1, 255000555), (3, 85000185), (5, 51000111), (9, 28333395), (15, 17000037), (27, 9444465), (45, 5666679), (81, 3148155), (135, 1888893), (243, 1049385), (405, 629631), (729, 349795), (1215, 209877), (3645, 69959)]