2981121

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6949}}^1$

素因数の和:6976

約数の個数: 16

約数和(自身を含む): 4670400

約数和(自身を除く): 1689279

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 6949, 20847, 76439, 90337, 229317, 271011, 993707, 2981121]

約数ペア:

[(1, 2981121), (3, 993707), (11, 271011), (13, 229317), (33, 90337), (39, 76439), (143, 20847), (429, 6949)]