13821017

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 17816832

約数和(自身を除く): 3995815

約数列:

[1, 7, 17, 37, 43, 73, 119, 259, 301, 511, 629, 731, 1241, 1591, 2701, 3139, 4403, 5117, 8687, 11137, 18907, 21973, 27047, 45917, 53363, 116143, 189329, 321419, 373541, 813001, 1974431, 13821017]

約数ペア:

[(1, 13821017), (7, 1974431), (17, 813001), (37, 373541), (43, 321419), (73, 189329), (119, 116143), (259, 53363), (301, 45917), (511, 27047), (629, 21973), (731, 18907), (1241, 11137), (1591, 8687), (2701, 5117), (3139, 4403)]