2051811

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:432

約数の個数: 20

約数和(自身を含む): 3115992

約数和(自身を除く): 1064181

約数列:

[1, 3, 9, 27, 73, 81, 219, 347, 657, 1041, 1971, 3123, 5913, 9369, 25331, 28107, 75993, 227979, 683937, 2051811]

約数ペア:

[(1, 2051811), (3, 683937), (9, 227979), (27, 75993), (73, 28107), (81, 25331), (219, 9369), (347, 5913), (657, 3123), (1041, 1971)]