208067157

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{61}}^2\times {\mathrm{109}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 332904000

約数和(自身を除く): 124836843

約数列:

[1, 3, 9, 19, 27, 57, 61, 109, 171, 183, 327, 513, 549, 981, 1159, 1647, 2071, 2943, 3477, 3721, 6213, 6649, 10431, 11163, 18639, 19947, 31293, 33489, 55917, 59841, 70699, 100467, 126331, 179523, 212097, 378993, 405589, 636291, 1136979, 1216767, 1908873, 3410937, 3650301, 7706191, 10950903, 23118573, 69355719, 208067157]

約数ペア:

[(1, 208067157), (3, 69355719), (9, 23118573), (19, 10950903), (27, 7706191), (57, 3650301), (61, 3410937), (109, 1908873), (171, 1216767), (183, 1136979), (327, 636291), (513, 405589), (549, 378993), (981, 212097), (1159, 179523), (1647, 126331), (2071, 100467), (2943, 70699), (3477, 59841), (3721, 55917), (6213, 33489), (6649, 31293), (10431, 19947), (11163, 18639)]