2223081

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^2$

素因数の和:162

約数の個数: 27

約数和(自身を含む): 3788733

約数和(自身を除く): 1565652

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1491, 3479, 4473, 5041, 10437, 15123, 31311, 35287, 45369, 105861, 247009, 317583, 741027, 2223081]

約数ペア:

[(1, 2223081), (3, 741027), (7, 317583), (9, 247009), (21, 105861), (49, 45369), (63, 35287), (71, 31311), (147, 15123), (213, 10437), (441, 5041), (497, 4473), (639, 3479)]