198431037

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{12161}}^1$

素因数の和:12218

約数の個数: 36

約数和(自身を含む): 342457596

約数和(自身を除く): 144026559

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 1813, 2331, 5439, 12161, 16317, 36483, 85127, 109449, 255381, 449957, 595889, 766143, 1349871, 1787667, 3149699, 4049613, 5363001, 9449097, 22047893, 28347291, 66143679, 198431037]

約数ペア:

[(1, 198431037), (3, 66143679), (7, 28347291), (9, 22047893), (21, 9449097), (37, 5363001), (49, 4049613), (63, 3149699), (111, 1787667), (147, 1349871), (259, 766143), (333, 595889), (441, 449957), (777, 255381), (1813, 109449), (2331, 85127), (5439, 36483), (12161, 16317)]