28668357

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{6763}}^1$

素因数の和:6929

約数の個数: 16

約数和(自身を含む): 42748480

約数和(自身を除く): 14080123

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 6763, 20289, 60867, 182601, 1061791, 3185373, 9556119, 28668357]

約数ペア:

[(1, 28668357), (3, 9556119), (9, 3185373), (27, 1061791), (157, 182601), (471, 60867), (1413, 20289), (4239, 6763)]