2990007

素因数分解:

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

素因数の和:160

約数の個数: 32

約数和(自身を含む): 4724160

約数和(自身を除く): 1734153

約数列:

[1, 3, 9, 27, 37, 41, 73, 111, 123, 219, 333, 369, 657, 999, 1107, 1517, 1971, 2701, 2993, 4551, 8103, 8979, 13653, 24309, 26937, 40959, 72927, 80811, 110741, 332223, 996669, 2990007]

約数ペア:

[(1, 2990007), (3, 996669), (9, 332223), (27, 110741), (37, 80811), (41, 72927), (73, 40959), (111, 26937), (123, 24309), (219, 13653), (333, 8979), (369, 8103), (657, 4551), (999, 2993), (1107, 2701), (1517, 1971)]