78439239

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1429}}^1$

素因数の和:1564

約数の個数: 32

約数和(自身を含む): 123552000

約数和(自身を除く): 45112761

約数列:

[1, 3, 9, 19, 27, 57, 107, 171, 321, 513, 963, 1429, 2033, 2889, 4287, 6099, 12861, 18297, 27151, 38583, 54891, 81453, 152903, 244359, 458709, 733077, 1376127, 2905157, 4128381, 8715471, 26146413, 78439239]

約数ペア:

[(1, 78439239), (3, 26146413), (9, 8715471), (19, 4128381), (27, 2905157), (57, 1376127), (107, 733077), (171, 458709), (321, 244359), (513, 152903), (963, 81453), (1429, 54891), (2033, 38583), (2889, 27151), (4287, 18297), (6099, 12861)]