290349717

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{2347}}^1$

素因数の和:2537

約数の個数: 32

約数和(自身を含む): 456225792

約数和(自身を除く): 165876075

約数列:

[1, 3, 7, 21, 43, 129, 137, 301, 411, 903, 959, 2347, 2877, 5891, 7041, 16429, 17673, 41237, 49287, 100921, 123711, 302763, 321539, 706447, 964617, 2119341, 2250773, 6752319, 13826177, 41478531, 96783239, 290349717]

約数ペア:

[(1, 290349717), (3, 96783239), (7, 41478531), (21, 13826177), (43, 6752319), (129, 2250773), (137, 2119341), (301, 964617), (411, 706447), (903, 321539), (959, 302763), (2347, 123711), (2877, 100921), (5891, 49287), (7041, 41237), (16429, 17673)]