218301507

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 355622400

約数和(自身を除く): 137320893

約数列:

[1, 3, 9, 19, 27, 41, 57, 97, 107, 123, 171, 291, 321, 369, 513, 779, 873, 963, 1107, 1843, 2033, 2337, 2619, 2889, 3977, 4387, 5529, 6099, 7011, 10379, 11931, 13161, 16587, 18297, 21033, 31137, 35793, 39483, 49761, 54891, 75563, 83353, 93411, 107379, 118449, 197201, 226689, 250059, 280233, 425539, 591603, 680067, 750177, 1276617, 1774809, 2040201, 2250531, 3829851, 5324427, 8085241, 11489553, 24255723, 72767169, 218301507]

約数ペア:

[(1, 218301507), (3, 72767169), (9, 24255723), (19, 11489553), (27, 8085241), (41, 5324427), (57, 3829851), (97, 2250531), (107, 2040201), (123, 1774809), (171, 1276617), (291, 750177), (321, 680067), (369, 591603), (513, 425539), (779, 280233), (873, 250059), (963, 226689), (1107, 197201), (1843, 118449), (2033, 107379), (2337, 93411), (2619, 83353), (2889, 75563), (3977, 54891), (4387, 49761), (5529, 39483), (6099, 35793), (7011, 31137), (10379, 21033), (11931, 18297), (13161, 16587)]