68165721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 112484736

約数和(自身を除く): 44319015

約数列:

[1, 3, 9, 13, 23, 39, 69, 73, 117, 207, 219, 299, 347, 657, 897, 949, 1041, 1679, 2691, 2847, 3123, 4511, 5037, 7981, 8541, 13533, 15111, 21827, 23943, 25331, 40599, 65481, 71829, 75993, 103753, 196443, 227979, 311259, 329303, 582613, 933777, 987909, 1747839, 2963727, 5243517, 7573969, 22721907, 68165721]

約数ペア:

[(1, 68165721), (3, 22721907), (9, 7573969), (13, 5243517), (23, 2963727), (39, 1747839), (69, 987909), (73, 933777), (117, 582613), (207, 329303), (219, 311259), (299, 227979), (347, 196443), (657, 103753), (897, 75993), (949, 71829), (1041, 65481), (1679, 40599), (2691, 25331), (2847, 23943), (3123, 21827), (4511, 15111), (5037, 13533), (7981, 8541)]