131308803

素因数分解:

$3^3\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 198336320

約数和(自身を除く): 67027517

約数列:

[1, 3, 9, 27, 97, 181, 277, 291, 543, 831, 873, 1629, 2493, 2619, 4887, 7479, 17557, 26869, 50137, 52671, 80607, 150411, 158013, 241821, 451233, 474039, 725463, 1353699, 4863289, 14589867, 43769601, 131308803]

約数ペア:

[(1, 131308803), (3, 43769601), (9, 14589867), (27, 4863289), (97, 1353699), (181, 725463), (277, 474039), (291, 451233), (543, 241821), (831, 158013), (873, 150411), (1629, 80607), (2493, 52671), (2619, 50137), (4887, 26869), (7479, 17557)]