668996853

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1129}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 1082088000

約数和(自身を除く): 413091147

約数列:

[1, 3, 7, 21, 29, 49, 87, 139, 147, 203, 417, 609, 973, 1129, 1421, 2919, 3387, 4031, 4263, 6811, 7903, 12093, 20433, 23709, 28217, 32741, 55321, 84651, 98223, 156931, 165963, 197519, 229187, 470793, 592557, 687561, 1098517, 1604309, 3295551, 4550999, 4812927, 7689619, 13652997, 23068857, 31856993, 95570979, 222998951, 668996853]

約数ペア:

[(1, 668996853), (3, 222998951), (7, 95570979), (21, 31856993), (29, 23068857), (49, 13652997), (87, 7689619), (139, 4812927), (147, 4550999), (203, 3295551), (417, 1604309), (609, 1098517), (973, 687561), (1129, 592557), (1421, 470793), (2919, 229187), (3387, 197519), (4031, 165963), (4263, 156931), (6811, 98223), (7903, 84651), (12093, 55321), (20433, 32741), (23709, 28217)]