57321537

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 101713920

約数和(自身を除く): 44392383

約数列:

[1, 3, 7, 13, 19, 21, 39, 43, 57, 91, 129, 133, 247, 257, 273, 301, 399, 559, 741, 771, 817, 903, 1677, 1729, 1799, 2451, 3341, 3913, 4883, 5187, 5397, 5719, 10023, 10621, 11051, 11739, 14649, 17157, 23387, 31863, 33153, 34181, 63479, 70161, 74347, 77357, 102543, 143663, 190437, 209969, 223041, 232071, 430989, 444353, 629907, 1005641, 1333059, 1469783, 2729597, 3016923, 4409349, 8188791, 19107179, 57321537]

約数ペア:

[(1, 57321537), (3, 19107179), (7, 8188791), (13, 4409349), (19, 3016923), (21, 2729597), (39, 1469783), (43, 1333059), (57, 1005641), (91, 629907), (129, 444353), (133, 430989), (247, 232071), (257, 223041), (273, 209969), (301, 190437), (399, 143663), (559, 102543), (741, 77357), (771, 74347), (817, 70161), (903, 63479), (1677, 34181), (1729, 33153), (1799, 31863), (2451, 23387), (3341, 17157), (3913, 14649), (4883, 11739), (5187, 11051), (5397, 10621), (5719, 10023)]