78220989

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2753}}^1$

素因数の和:2818

約数の個数: 48

約数和(自身を含む): 144353664

約数和(自身を除く): 66132675

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 63, 77, 99, 123, 231, 287, 369, 451, 693, 861, 1353, 2583, 2753, 3157, 4059, 8259, 9471, 19271, 24777, 28413, 30283, 57813, 90849, 112873, 173439, 211981, 272547, 338619, 635943, 790111, 1015857, 1241603, 1907829, 2370333, 3724809, 7110999, 8691221, 11174427, 26073663, 78220989]

約数ペア:

[(1, 78220989), (3, 26073663), (7, 11174427), (9, 8691221), (11, 7110999), (21, 3724809), (33, 2370333), (41, 1907829), (63, 1241603), (77, 1015857), (99, 790111), (123, 635943), (231, 338619), (287, 272547), (369, 211981), (451, 173439), (693, 112873), (861, 90849), (1353, 57813), (2583, 30283), (2753, 28413), (3157, 24777), (4059, 19271), (8259, 9471)]