388390431

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{905339}}^1$

素因数の和:905366

約数の個数: 16

約数和(自身を含む): 608388480

約数和(自身を除く): 219998049

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 905339, 2716017, 9958729, 11769407, 29876187, 35308221, 129463477, 388390431]

約数ペア:

[(1, 388390431), (3, 129463477), (11, 35308221), (13, 29876187), (33, 11769407), (39, 9958729), (143, 2716017), (429, 905339)]