664754727

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3251}}^1$

素因数の和:3388

約数の個数: 48

約数和(自身を含む): 1121081472

約数和(自身を除く): 456326745

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 107, 147, 273, 321, 637, 749, 1391, 1911, 2247, 3251, 4173, 5243, 9737, 9753, 15729, 22757, 29211, 42263, 68159, 68271, 126789, 159299, 204477, 295841, 347857, 477897, 887523, 1043571, 2070887, 2434999, 4522141, 6212661, 7304997, 13566423, 17044993, 31654987, 51134979, 94964961, 221584909, 664754727]

約数ペア:

[(1, 664754727), (3, 221584909), (7, 94964961), (13, 51134979), (21, 31654987), (39, 17044993), (49, 13566423), (91, 7304997), (107, 6212661), (147, 4522141), (273, 2434999), (321, 2070887), (637, 1043571), (749, 887523), (1391, 477897), (1911, 347857), (2247, 295841), (3251, 204477), (4173, 159299), (5243, 126789), (9737, 68271), (9753, 68159), (15729, 42263), (22757, 29211)]