816919263

素因数分解:

$3^4\times {\mathrm{37}}^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 60

約数和(自身を含む): 1287067320

約数和(自身を除く): 470148057

約数列:

[1, 3, 9, 27, 37, 53, 81, 111, 139, 159, 333, 417, 477, 999, 1251, 1369, 1431, 1961, 2997, 3753, 4107, 4293, 5143, 5883, 7367, 11259, 12321, 15429, 17649, 22101, 36963, 46287, 52947, 66303, 72557, 110889, 138861, 158841, 190291, 198909, 217671, 272579, 416583, 570873, 596727, 653013, 817737, 1712619, 1959039, 2453211, 5137857, 5877117, 7359633, 10085423, 15413571, 22078899, 30256269, 90768807, 272306421, 816919263]

約数ペア:

[(1, 816919263), (3, 272306421), (9, 90768807), (27, 30256269), (37, 22078899), (53, 15413571), (81, 10085423), (111, 7359633), (139, 5877117), (159, 5137857), (333, 2453211), (417, 1959039), (477, 1712619), (999, 817737), (1251, 653013), (1369, 596727), (1431, 570873), (1961, 416583), (2997, 272579), (3753, 217671), (4107, 198909), (4293, 190291), (5143, 158841), (5883, 138861), (7367, 110889), (11259, 72557), (12321, 66303), (15429, 52947), (17649, 46287), (22101, 36963)]