66850749

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 122656248

約数和(自身を除く): 55805499

約数列:

[1, 3, 7, 9, 17, 21, 37, 49, 51, 63, 111, 119, 147, 153, 241, 259, 333, 357, 441, 629, 723, 777, 833, 1071, 1687, 1813, 1887, 2169, 2331, 2499, 4097, 4403, 5061, 5439, 5661, 7497, 8917, 11809, 12291, 13209, 15183, 16317, 26751, 28679, 30821, 35427, 36873, 39627, 62419, 80253, 86037, 92463, 106281, 151589, 187257, 200753, 258111, 277389, 436933, 454767, 561771, 602259, 1061123, 1310799, 1364301, 1806777, 3183369, 3932397, 7427861, 9550107, 22283583, 66850749]

約数ペア:

[(1, 66850749), (3, 22283583), (7, 9550107), (9, 7427861), (17, 3932397), (21, 3183369), (37, 1806777), (49, 1364301), (51, 1310799), (63, 1061123), (111, 602259), (119, 561771), (147, 454767), (153, 436933), (241, 277389), (259, 258111), (333, 200753), (357, 187257), (441, 151589), (629, 106281), (723, 92463), (777, 86037), (833, 80253), (1071, 62419), (1687, 39627), (1813, 36873), (1887, 35427), (2169, 30821), (2331, 28679), (2499, 26751), (4097, 16317), (4403, 15183), (5061, 13209), (5439, 12291), (5661, 11809), (7497, 8917)]