28921281

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{1201}}^1$

素因数の和:1576

約数の個数: 16

約数和(自身を含む): 40387200

約数和(自身を除く): 11465919

約数列:

[1, 3, 23, 69, 349, 1047, 1201, 3603, 8027, 24081, 27623, 82869, 419149, 1257447, 9640427, 28921281]

約数ペア:

[(1, 28921281), (3, 9640427), (23, 1257447), (69, 419149), (349, 82869), (1047, 27623), (1201, 24081), (3603, 8027)]