206306541

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:895

約数の個数: 64

約数和(自身を含む): 373196800

約数和(自身を除く): 166890259

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 73, 133, 171, 189, 219, 399, 511, 513, 657, 787, 1197, 1387, 1533, 1971, 2361, 3591, 4161, 4599, 5509, 7083, 9709, 12483, 13797, 14953, 16527, 21249, 29127, 37449, 44859, 49581, 57451, 87381, 104671, 134577, 148743, 172353, 262143, 314013, 402157, 403731, 517059, 942039, 1091569, 1206471, 1551177, 2826117, 3274707, 3619413, 7640983, 9824121, 10858239, 22922949, 29472363, 68768847, 206306541]

約数ペア:

[(1, 206306541), (3, 68768847), (7, 29472363), (9, 22922949), (19, 10858239), (21, 9824121), (27, 7640983), (57, 3619413), (63, 3274707), (73, 2826117), (133, 1551177), (171, 1206471), (189, 1091569), (219, 942039), (399, 517059), (511, 403731), (513, 402157), (657, 314013), (787, 262143), (1197, 172353), (1387, 148743), (1533, 134577), (1971, 104671), (2361, 87381), (3591, 57451), (4161, 49581), (4599, 44859), (5509, 37449), (7083, 29127), (9709, 21249), (12483, 16527), (13797, 14953)]