79878717

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 56

約数和(自身を含む): 129411200

約数和(自身を除く): 49532483

約数列:

[1, 3, 9, 19, 27, 57, 73, 79, 81, 171, 219, 237, 243, 513, 657, 711, 729, 1387, 1501, 1539, 1971, 2133, 4161, 4503, 4617, 5767, 5913, 6399, 12483, 13509, 13851, 17301, 17739, 19197, 37449, 40527, 51903, 53217, 57591, 109573, 112347, 121581, 155709, 328719, 337041, 364743, 467127, 986157, 1011123, 1094229, 1401381, 2958471, 4204143, 8875413, 26626239, 79878717]

約数ペア:

[(1, 79878717), (3, 26626239), (9, 8875413), (19, 4204143), (27, 2958471), (57, 1401381), (73, 1094229), (79, 1011123), (81, 986157), (171, 467127), (219, 364743), (237, 337041), (243, 328719), (513, 155709), (657, 121581), (711, 112347), (729, 109573), (1387, 57591), (1501, 53217), (1539, 51903), (1971, 40527), (2133, 37449), (4161, 19197), (4503, 17739), (4617, 17301), (5767, 13851), (5913, 13509), (6399, 12483)]