420776307

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{91493}}^1$

素因数の和:91579

約数の個数: 24

約数和(自身を含む): 704137824

約数和(自身を除く): 283361517

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 91493, 274479, 640451, 823437, 1921353, 5764059, 6678989, 20036967, 46752923, 60110901, 140258769, 420776307]

約数ペア:

[(1, 420776307), (3, 140258769), (7, 60110901), (9, 46752923), (21, 20036967), (63, 6678989), (73, 5764059), (219, 1921353), (511, 823437), (657, 640451), (1533, 274479), (4599, 91493)]