213089779

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{27011}}^1$

素因数の和:27055

約数の個数: 16

約数和(自身を含む): 259315200

約数和(自身を除く): 46225421

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 27011, 189077, 621253, 1323539, 4348771, 9264773, 30441397, 213089779]

約数ペア:

[(1, 213089779), (7, 30441397), (23, 9264773), (49, 4348771), (161, 1323539), (343, 621253), (1127, 189077), (7889, 27011)]