128575557

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{17791}}^1$

素因数の和:17881

約数の個数: 24

約数和(自身を含む): 205390848

約数和(自身を除く): 76815291

約数列:

[1, 3, 9, 11, 33, 73, 99, 219, 657, 803, 2409, 7227, 17791, 53373, 160119, 195701, 587103, 1298743, 1761309, 3896229, 11688687, 14286173, 42858519, 128575557]

約数ペア:

[(1, 128575557), (3, 42858519), (9, 14286173), (11, 11688687), (33, 3896229), (73, 1761309), (99, 1298743), (219, 587103), (657, 195701), (803, 160119), (2409, 53373), (7227, 17791)]