201455.0000000

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 4979520

約数和(自身を除く): 2207961

約数列:

[1, 3, 7, 9, 21, 29, 37, 41, 63, 87, 111, 123, 203, 259, 261, 287, 333, 369, 609, 777, 861, 1073, 1189, 1517, 1827, 2331, 2583, 3219, 3567, 4551, 7511, 8323, 9657, 10619, 10701, 13653, 22533, 24969, 31857, 43993, 67599, 74907, 95571, 131979, 307951, 395937, 923853, 2771559]

約数ペア:

[(1, 2771559), (3, 923853), (7, 395937), (9, 307951), (21, 131979), (29, 95571), (37, 74907), (41, 67599), (63, 43993), (87, 31857), (111, 24969), (123, 22533), (203, 13653), (259, 10701), (261, 10619), (287, 9657), (333, 8323), (369, 7511), (609, 4551), (777, 3567), (861, 3219), (1073, 2583), (1189, 2331), (1517, 1827)]