258781677

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{8821}}^1$

素因数の和:8969

約数の個数: 32

約数和(自身を含む): 433618944

約数和(自身を除く): 174837267

約数列:

[1, 3, 7, 11, 21, 33, 77, 127, 231, 381, 889, 1397, 2667, 4191, 8821, 9779, 26463, 29337, 61747, 97031, 185241, 291093, 679217, 1120267, 2037651, 3360801, 7841869, 12322937, 23525607, 36968811, 86260559, 258781677]

約数ペア:

[(1, 258781677), (3, 86260559), (7, 36968811), (11, 23525607), (21, 12322937), (33, 7841869), (77, 3360801), (127, 2037651), (231, 1120267), (381, 679217), (889, 291093), (1397, 185241), (2667, 97031), (4191, 61747), (8821, 29337), (9779, 26463)]