78494049

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 130394880

約数和(自身を除く): 51900831

約数列:

[1, 3, 9, 17, 27, 41, 43, 51, 97, 123, 129, 153, 291, 369, 387, 459, 697, 731, 873, 1107, 1161, 1649, 1763, 2091, 2193, 2619, 3977, 4171, 4947, 5289, 6273, 6579, 11931, 12513, 14841, 15867, 18819, 19737, 29971, 35793, 37539, 44523, 47601, 67609, 70907, 89913, 107379, 112617, 171011, 202827, 212721, 269739, 513033, 608481, 638163, 809217, 1539099, 1825443, 1914489, 2907187, 4617297, 8721561, 26164683, 78494049]

約数ペア:

[(1, 78494049), (3, 26164683), (9, 8721561), (17, 4617297), (27, 2907187), (41, 1914489), (43, 1825443), (51, 1539099), (97, 809217), (123, 638163), (129, 608481), (153, 513033), (291, 269739), (369, 212721), (387, 202827), (459, 171011), (697, 112617), (731, 107379), (873, 89913), (1107, 70907), (1161, 67609), (1649, 47601), (1763, 44523), (2091, 37539), (2193, 35793), (2619, 29971), (3977, 19737), (4171, 18819), (4947, 15867), (5289, 14841), (6273, 12513), (6579, 11931)]