9989889

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:126

約数の個数: 64

約数和(自身を含む): 17977344

約数和(自身を除く): 7987455

約数列:

[1, 3, 7, 13, 21, 23, 37, 39, 43, 69, 91, 111, 129, 161, 259, 273, 299, 301, 481, 483, 559, 777, 851, 897, 903, 989, 1443, 1591, 1677, 2093, 2553, 2967, 3367, 3913, 4773, 5957, 6279, 6923, 10101, 11063, 11137, 11739, 12857, 17871, 20683, 20769, 33189, 33411, 36593, 38571, 62049, 77441, 89999, 109779, 144781, 232323, 256151, 269997, 434343, 475709, 768453, 1427127, 3329963, 9989889]

約数ペア:

[(1, 9989889), (3, 3329963), (7, 1427127), (13, 768453), (21, 475709), (23, 434343), (37, 269997), (39, 256151), (43, 232323), (69, 144781), (91, 109779), (111, 89999), (129, 77441), (161, 62049), (259, 38571), (273, 36593), (299, 33411), (301, 33189), (481, 20769), (483, 20683), (559, 17871), (777, 12857), (851, 11739), (897, 11137), (903, 11063), (989, 10101), (1443, 6923), (1591, 6279), (1677, 5957), (2093, 4773), (2553, 3913), (2967, 3367)]