821621339

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1327}}^1$

素因数の和:1416

約数の個数: 48

約数和(自身を含む): 1119089664

約数和(自身を除く): 297468325

約数列:

[1, 7, 11, 17, 43, 77, 119, 121, 187, 301, 473, 731, 847, 1309, 1327, 2057, 3311, 5117, 5203, 8041, 9289, 14399, 14597, 22559, 36421, 56287, 57061, 88451, 102179, 157913, 160567, 248149, 399427, 619157, 627671, 970037, 1123969, 1737043, 2729639, 4393697, 6790259, 6904381, 10670407, 19107473, 48330667, 74692849, 117374477, 821621339]

約数ペア:

[(1, 821621339), (7, 117374477), (11, 74692849), (17, 48330667), (43, 19107473), (77, 10670407), (119, 6904381), (121, 6790259), (187, 4393697), (301, 2729639), (473, 1737043), (731, 1123969), (847, 970037), (1309, 627671), (1327, 619157), (2057, 399427), (3311, 248149), (5117, 160567), (5203, 157913), (8041, 102179), (9289, 88451), (14399, 57061), (14597, 56287), (22559, 36421)]