19680097959

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{8191}}^1$

素因数の和:8349

約数の個数: 64

約数和(自身を含む): 31425822720

約数和(自身を除く): 11745724761

約数列:

[1, 3, 9, 23, 27, 53, 69, 73, 159, 207, 219, 477, 621, 657, 1219, 1431, 1679, 1971, 3657, 3869, 5037, 8191, 10971, 11607, 15111, 24573, 32913, 34821, 45333, 73719, 88987, 104463, 188393, 221157, 266961, 434123, 565179, 597943, 800883, 1302369, 1695537, 1793829, 2402649, 3907107, 5086611, 5381487, 9984829, 11721321, 13752689, 16144461, 29954487, 31690979, 41258067, 89863461, 95072937, 123774201, 269590383, 285218811, 371322603, 728892517, 855656433, 2186677551, 6560032653, 19680097959]

約数ペア:

[(1, 19680097959), (3, 6560032653), (9, 2186677551), (23, 855656433), (27, 728892517), (53, 371322603), (69, 285218811), (73, 269590383), (159, 123774201), (207, 95072937), (219, 89863461), (477, 41258067), (621, 31690979), (657, 29954487), (1219, 16144461), (1431, 13752689), (1679, 11721321), (1971, 9984829), (3657, 5381487), (3869, 5086611), (5037, 3907107), (8191, 2402649), (10971, 1793829), (11607, 1695537), (15111, 1302369), (24573, 800883), (32913, 597943), (34821, 565179), (45333, 434123), (73719, 266961), (88987, 221157), (104463, 188393)]