7208391

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 11024640

約数和(自身を除く): 3816249

約数列:

[1, 3, 17, 19, 43, 51, 57, 129, 173, 323, 519, 731, 817, 969, 2193, 2451, 2941, 3287, 7439, 8823, 9861, 13889, 22317, 41667, 55879, 126463, 141341, 167637, 379389, 424023, 2402797, 7208391]

約数ペア:

[(1, 7208391), (3, 2402797), (17, 424023), (19, 379389), (43, 167637), (51, 141341), (57, 126463), (129, 55879), (173, 41667), (323, 22317), (519, 13889), (731, 9861), (817, 8823), (969, 7439), (2193, 3287), (2451, 2941)]