238390713

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 390873600

約数和(自身を除く): 152482887

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 173, 279, 341, 449, 519, 1023, 1347, 1557, 1903, 3069, 4041, 4939, 5363, 5709, 13919, 14817, 16089, 17127, 41757, 44451, 48267, 58993, 77677, 125271, 153109, 176979, 233031, 459327, 530937, 699093, 854447, 1377981, 2407987, 2563341, 7223961, 7690023, 21671883, 26487857, 79463571, 238390713]

約数ペア:

[(1, 238390713), (3, 79463571), (9, 26487857), (11, 21671883), (31, 7690023), (33, 7223961), (93, 2563341), (99, 2407987), (173, 1377981), (279, 854447), (341, 699093), (449, 530937), (519, 459327), (1023, 233031), (1347, 176979), (1557, 153109), (1903, 125271), (3069, 77677), (4041, 58993), (4939, 48267), (5363, 44451), (5709, 41757), (13919, 17127), (14817, 16089)]