320256009

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{709}}^1\times {\mathrm{1619}}^1$

素因数の和:2365

約数の個数: 24

約数和(自身を含む): 478483200

約数和(自身を除く): 158227191

約数列:

[1, 3, 9, 31, 93, 279, 709, 1619, 2127, 4857, 6381, 14571, 21979, 50189, 65937, 150567, 197811, 451701, 1147871, 3443613, 10330839, 35584001, 106752003, 320256009]

約数ペア:

[(1, 320256009), (3, 106752003), (9, 35584001), (31, 10330839), (93, 3443613), (279, 1147871), (709, 451701), (1619, 197811), (2127, 150567), (4857, 65937), (6381, 50189), (14571, 21979)]