290987823

素因数分解:

$3^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{4793}}^1$

素因数の和:4876

約数の個数: 32

約数和(自身を含む): 460224000

約数和(自身を除く): 169236177

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 343, 413, 1029, 1239, 2891, 4793, 8673, 14379, 20237, 33551, 60711, 100653, 234857, 282787, 704571, 848361, 1643999, 1979509, 4931997, 5938527, 13856563, 41569689, 96995941, 290987823]

約数ペア:

[(1, 290987823), (3, 96995941), (7, 41569689), (21, 13856563), (49, 5938527), (59, 4931997), (147, 1979509), (177, 1643999), (343, 848361), (413, 704571), (1029, 282787), (1239, 234857), (2891, 100653), (4793, 60711), (8673, 33551), (14379, 20237)]