78981903

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{797}}^1$

素因数の和:845

約数の個数: 72

約数和(自身を含む): 154531104

約数和(自身を除く): 75549201

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 121, 143, 231, 273, 363, 429, 693, 797, 819, 847, 1001, 1089, 1287, 1573, 2391, 2541, 3003, 4719, 5579, 7173, 7623, 8767, 9009, 10361, 11011, 14157, 16737, 26301, 31083, 33033, 50211, 61369, 72527, 78903, 93249, 96437, 99099, 113971, 184107, 217581, 289311, 341913, 552321, 652743, 675059, 797797, 867933, 1025739, 1253681, 2025177, 2393391, 3761043, 6075531, 7180173, 8775767, 11283129, 26327301, 78981903]

約数ペア:

[(1, 78981903), (3, 26327301), (7, 11283129), (9, 8775767), (11, 7180173), (13, 6075531), (21, 3761043), (33, 2393391), (39, 2025177), (63, 1253681), (77, 1025739), (91, 867933), (99, 797797), (117, 675059), (121, 652743), (143, 552321), (231, 341913), (273, 289311), (363, 217581), (429, 184107), (693, 113971), (797, 99099), (819, 96437), (847, 93249), (1001, 78903), (1089, 72527), (1287, 61369), (1573, 50211), (2391, 33033), (2541, 31083), (3003, 26301), (4719, 16737), (5579, 14157), (7173, 11011), (7623, 10361), (8767, 9009)]