66905433

素因数分解:

$3^6\times 7^2\times {\mathrm{1873}}^1$

素因数の和:1905

約数の個数: 42

約数和(自身を含む): 116752074

約数和(自身を除く): 49846641

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 1323, 1701, 1873, 3969, 5103, 5619, 11907, 13111, 16857, 35721, 39333, 50571, 91777, 117999, 151713, 275331, 353997, 455139, 825993, 1061991, 1365417, 2477979, 3185973, 7433937, 9557919, 22301811, 66905433]

約数ペア:

[(1, 66905433), (3, 22301811), (7, 9557919), (9, 7433937), (21, 3185973), (27, 2477979), (49, 1365417), (63, 1061991), (81, 825993), (147, 455139), (189, 353997), (243, 275331), (441, 151713), (567, 117999), (729, 91777), (1323, 50571), (1701, 39333), (1873, 35721), (3969, 16857), (5103, 13111), (5619, 11907)]