686171889

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{587}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 1090707072

約数和(自身を除く): 404535183

約数列:

[1, 3, 9, 13, 39, 97, 103, 117, 291, 309, 587, 873, 927, 1261, 1339, 1761, 3783, 4017, 5283, 7631, 9991, 11349, 12051, 22893, 29973, 56939, 60461, 68679, 89919, 129883, 170817, 181383, 389649, 512451, 544149, 740207, 785993, 1168947, 2220621, 2357979, 5864717, 6661863, 7073937, 17594151, 52782453, 76241321, 228723963, 686171889]

約数ペア:

[(1, 686171889), (3, 228723963), (9, 76241321), (13, 52782453), (39, 17594151), (97, 7073937), (103, 6661863), (117, 5864717), (291, 2357979), (309, 2220621), (587, 1168947), (873, 785993), (927, 740207), (1261, 544149), (1339, 512451), (1761, 389649), (3783, 181383), (4017, 170817), (5283, 129883), (7631, 89919), (9991, 68679), (11349, 60461), (12051, 56939), (22893, 29973)]