26761959

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 46485504

約数和(自身を除く): 19723545

約数列:

[1, 3, 7, 9, 21, 31, 63, 71, 93, 193, 213, 217, 279, 497, 579, 639, 651, 1351, 1491, 1737, 1953, 2201, 4053, 4473, 5983, 6603, 12159, 13703, 15407, 17949, 19809, 41109, 41881, 46221, 53847, 95921, 123327, 125643, 138663, 287763, 376929, 424793, 863289, 1274379, 2973551, 3823137, 8920653, 26761959]

約数ペア:

[(1, 26761959), (3, 8920653), (7, 3823137), (9, 2973551), (21, 1274379), (31, 863289), (63, 424793), (71, 376929), (93, 287763), (193, 138663), (213, 125643), (217, 123327), (279, 95921), (497, 53847), (579, 46221), (639, 41881), (651, 41109), (1351, 19809), (1491, 17949), (1737, 15407), (1953, 13703), (2201, 12159), (4053, 6603), (4473, 5983)]