31890993

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{1429}}^1$

素因数の和:1648

約数の個数: 16

約数和(自身を含む): 43792320

約数和(自身を除く): 11901327

約数列:

[1, 3, 43, 129, 173, 519, 1429, 4287, 7439, 22317, 61447, 184341, 247217, 741651, 10630331, 31890993]

約数ペア:

[(1, 31890993), (3, 10630331), (43, 741651), (129, 247217), (173, 184341), (519, 61447), (1429, 22317), (4287, 7439)]