208049247

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{27751}}^1$

素因数の和:27788

約数の個数: 36

約数和(自身を含む): 370156176

約数和(自身を除く): 162106929

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 7497, 27751, 83253, 194257, 249759, 471767, 582771, 1359799, 1415301, 1748313, 3302369, 4079397, 4245903, 9907107, 12238191, 23116583, 29721321, 69349749, 208049247]

約数ペア:

[(1, 208049247), (3, 69349749), (7, 29721321), (9, 23116583), (17, 12238191), (21, 9907107), (49, 4245903), (51, 4079397), (63, 3302369), (119, 1748313), (147, 1415301), (153, 1359799), (357, 582771), (441, 471767), (833, 249759), (1071, 194257), (2499, 83253), (7497, 27751)]