257927727

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1\times {\mathrm{4243}}^1$

素因数の和:5150

約数の個数: 16

約数和(自身を含む): 359347968

約数和(自身を除く): 101420241

約数列:

[1, 3, 23, 69, 881, 2643, 4243, 12729, 20263, 60789, 97589, 292767, 3738083, 11214249, 85975909, 257927727]

約数ペア:

[(1, 257927727), (3, 85975909), (23, 11214249), (69, 3738083), (881, 292767), (2643, 97589), (4243, 60789), (12729, 20263)]