388655577

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{65729}}^1$

素因数の和:65814

約数の個数: 20

約数和(自身を含む): 588546420

約数和(自身を除く): 199890843

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 65729, 197187, 591561, 1774683, 4798217, 5324049, 14394651, 43183953, 129551859, 388655577]

約数ペア:

[(1, 388655577), (3, 129551859), (9, 43183953), (27, 14394651), (73, 5324049), (81, 4798217), (219, 1774683), (657, 591561), (1971, 197187), (5913, 65729)]