7864857

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:140

約数の個数: 80

約数和(自身を含む): 15937152

約数和(自身を除く): 8072295

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 81, 91, 97, 99, 117, 143, 189, 231, 273, 291, 297, 351, 429, 567, 679, 693, 819, 873, 891, 1001, 1053, 1067, 1261, 1287, 2037, 2079, 2457, 2619, 3003, 3201, 3783, 3861, 6111, 6237, 7371, 7469, 7857, 8827, 9009, 9603, 11349, 11583, 13871, 18333, 22407, 26481, 27027, 28809, 34047, 41613, 54999, 67221, 79443, 81081, 86427, 97097, 102141, 124839, 201663, 238329, 291291, 374517, 604989, 714987, 873873, 1123551, 2621619, 7864857]

約数ペア:

[(1, 7864857), (3, 2621619), (7, 1123551), (9, 873873), (11, 714987), (13, 604989), (21, 374517), (27, 291291), (33, 238329), (39, 201663), (63, 124839), (77, 102141), (81, 97097), (91, 86427), (97, 81081), (99, 79443), (117, 67221), (143, 54999), (189, 41613), (231, 34047), (273, 28809), (291, 27027), (297, 26481), (351, 22407), (429, 18333), (567, 13871), (679, 11583), (693, 11349), (819, 9603), (873, 9009), (891, 8827), (1001, 7857), (1053, 7469), (1067, 7371), (1261, 6237), (1287, 6111), (2037, 3861), (2079, 3783), (2457, 3201), (2619, 3003)]