399169953

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{487387}}^1$

素因数の和:487413

約数の個数: 24

約数和(自身を含む): 709636928

約数和(自身を除く): 310466975

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 487387, 1462161, 3411709, 4386483, 6336031, 10235127, 19008093, 30705381, 44352217, 57024279, 133056651, 399169953]

約数ペア:

[(1, 399169953), (3, 133056651), (7, 57024279), (9, 44352217), (13, 30705381), (21, 19008093), (39, 10235127), (63, 6336031), (91, 4386483), (117, 3411709), (273, 1462161), (819, 487387)]