140668857

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^2\times {\mathrm{233}}^1$

素因数の和:327

約数の個数: 54

約数和(自身を含む): 243965358

約数和(自身を除く): 103296501

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 233, 259, 333, 441, 699, 777, 1369, 1631, 1813, 2097, 2331, 4107, 4893, 5439, 8621, 9583, 11417, 12321, 14679, 16317, 25863, 28749, 34251, 60347, 67081, 77589, 86247, 102753, 181041, 201243, 318977, 422429, 543123, 603729, 956931, 1267287, 2232839, 2870793, 3801861, 6698517, 15629873, 20095551, 46889619, 140668857]

約数ペア:

[(1, 140668857), (3, 46889619), (7, 20095551), (9, 15629873), (21, 6698517), (37, 3801861), (49, 2870793), (63, 2232839), (111, 1267287), (147, 956931), (233, 603729), (259, 543123), (333, 422429), (441, 318977), (699, 201243), (777, 181041), (1369, 102753), (1631, 86247), (1813, 77589), (2097, 67081), (2331, 60347), (4107, 34251), (4893, 28749), (5439, 25863), (8621, 16317), (9583, 14679), (11417, 12321)]