2011009

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:86

約数の個数: 32

約数和(自身を含む): 2822400

約数和(自身を除く): 811391

約数列:

[1, 7, 11, 13, 41, 49, 77, 91, 143, 287, 343, 451, 533, 539, 637, 1001, 2009, 3157, 3731, 3773, 4459, 5863, 7007, 14063, 22099, 26117, 41041, 49049, 154693, 182819, 287287, 2011009]

約数ペア:

[(1, 2011009), (7, 287287), (11, 182819), (13, 154693), (41, 49049), (49, 41041), (77, 26117), (91, 22099), (143, 14063), (287, 7007), (343, 5863), (451, 4459), (533, 3773), (539, 3731), (637, 3157), (1001, 2009)]