249345297

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{42169}}^1$

素因数の和:42254

約数の個数: 20

約数和(自身を含む): 377590180

約数和(自身を除く): 128244883

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 42169, 126507, 379521, 1138563, 3078337, 3415689, 9235011, 27705033, 83115099, 249345297]

約数ペア:

[(1, 249345297), (3, 83115099), (9, 27705033), (27, 9235011), (73, 3415689), (81, 3078337), (219, 1138563), (657, 379521), (1971, 126507), (5913, 42169)]