2019070719

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{2647}}^1$

素因数の和:2778

約数の個数: 48

約数和(自身を含む): 3138367232

約数和(自身を除く): 1119296513

約数列:

[1, 3, 9, 27, 43, 73, 81, 129, 219, 243, 387, 657, 1161, 1971, 2647, 3139, 3483, 5913, 7941, 9417, 10449, 17739, 23823, 28251, 71469, 84753, 113821, 193231, 214407, 254259, 341463, 579693, 643221, 762777, 1024389, 1739079, 3073167, 5217237, 8308933, 9219501, 15651711, 24926799, 27658503, 46955133, 74780397, 224341191, 673023573, 2019070719]

約数ペア:

[(1, 2019070719), (3, 673023573), (9, 224341191), (27, 74780397), (43, 46955133), (73, 27658503), (81, 24926799), (129, 15651711), (219, 9219501), (243, 8308933), (387, 5217237), (657, 3073167), (1161, 1739079), (1971, 1024389), (2647, 762777), (3139, 643221), (3483, 579693), (5913, 341463), (7941, 254259), (9417, 214407), (10449, 193231), (17739, 113821), (23823, 84753), (28251, 71469)]