20930049

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 37793280

約数和(自身を除く): 16863231

約数列:

[1, 3, 7, 9, 21, 27, 37, 41, 63, 73, 111, 123, 189, 219, 259, 287, 333, 369, 511, 657, 777, 861, 999, 1107, 1517, 1533, 1971, 2331, 2583, 2701, 2993, 4551, 4599, 6993, 7749, 8103, 8979, 10619, 13653, 13797, 18907, 20951, 24309, 26937, 31857, 40959, 56721, 62853, 72927, 80811, 95571, 110741, 170163, 188559, 286713, 332223, 510489, 565677, 775187, 996669, 2325561, 2990007, 6976683, 20930049]

約数ペア:

[(1, 20930049), (3, 6976683), (7, 2990007), (9, 2325561), (21, 996669), (27, 775187), (37, 565677), (41, 510489), (63, 332223), (73, 286713), (111, 188559), (123, 170163), (189, 110741), (219, 95571), (259, 80811), (287, 72927), (333, 62853), (369, 56721), (511, 40959), (657, 31857), (777, 26937), (861, 24309), (999, 20951), (1107, 18907), (1517, 13797), (1533, 13653), (1971, 10619), (2331, 8979), (2583, 8103), (2701, 7749), (2993, 6993), (4551, 4599)]