2001951

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 3386240

約数和(自身を除く): 1384289

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 739, 903, 2217, 2709, 5173, 6651, 15519, 31777, 46557, 95331, 222439, 285993, 667317, 2001951]

約数ペア:

[(1, 2001951), (3, 667317), (7, 285993), (9, 222439), (21, 95331), (43, 46557), (63, 31777), (129, 15519), (301, 6651), (387, 5173), (739, 2709), (903, 2217)]