28230279

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{122209}}^1$

素因数の和:122230

約数の個数: 16

約数和(自身を含む): 46928640

約数和(自身を除く): 18698361

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 122209, 366627, 855463, 1344299, 2566389, 4032897, 9410093, 28230279]

約数ペア:

[(1, 28230279), (3, 9410093), (7, 4032897), (11, 2566389), (21, 1344299), (33, 855463), (77, 366627), (231, 122209)]