64236861

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 109401600

約数和(自身を除く): 45164739

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 73, 109, 117, 207, 219, 299, 327, 351, 621, 657, 897, 949, 981, 1417, 1679, 1971, 2507, 2691, 2847, 2943, 4251, 5037, 7521, 7957, 8073, 8541, 12753, 15111, 21827, 22563, 23871, 25623, 32591, 38259, 45333, 65481, 67689, 71613, 97773, 103441, 183011, 196443, 214839, 293319, 310323, 549033, 589329, 879957, 930969, 1647099, 2379143, 2792907, 4941297, 7137429, 21412287, 64236861]

約数ペア:

[(1, 64236861), (3, 21412287), (9, 7137429), (13, 4941297), (23, 2792907), (27, 2379143), (39, 1647099), (69, 930969), (73, 879957), (109, 589329), (117, 549033), (207, 310323), (219, 293319), (299, 214839), (327, 196443), (351, 183011), (621, 103441), (657, 97773), (897, 71613), (949, 67689), (981, 65481), (1417, 45333), (1679, 38259), (1971, 32591), (2507, 25623), (2691, 23871), (2847, 22563), (2943, 21827), (4251, 15111), (5037, 12753), (7521, 8541), (7957, 8073)]