1668028545

素因数分解:

$3^6\times 5^1\times {\mathrm{457621}}^1$

素因数の和:457644

約数の個数: 28

約数和(自身を含む): 3001085076

約数和(自身を除く): 1333056531

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 457621, 1372863, 2288105, 4118589, 6864315, 12355767, 20592945, 37067301, 61778835, 111201903, 185336505, 333605709, 556009515, 1668028545]

約数ペア:

[(1, 1668028545), (3, 556009515), (5, 333605709), (9, 185336505), (15, 111201903), (27, 61778835), (45, 37067301), (81, 20592945), (135, 12355767), (243, 6864315), (405, 4118589), (729, 2288105), (1215, 1372863), (3645, 457621)]