2051215947

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{52721}}^1$

素因数の和:52872

約数の個数: 32

約数和(自身を含む): 3340465920

約数和(自身を除く): 1289249973

約数列:

[1, 3, 9, 11, 27, 33, 99, 131, 297, 393, 1179, 1441, 3537, 4323, 12969, 38907, 52721, 158163, 474489, 579931, 1423467, 1739793, 5219379, 6906451, 15658137, 20719353, 62158059, 75970961, 186474177, 227912883, 683738649, 2051215947]

約数ペア:

[(1, 2051215947), (3, 683738649), (9, 227912883), (11, 186474177), (27, 75970961), (33, 62158059), (99, 20719353), (131, 15658137), (297, 6906451), (393, 5219379), (1179, 1739793), (1441, 1423467), (3537, 579931), (4323, 474489), (12969, 158163), (38907, 52721)]