27889491

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{42841}}^1$

素因数の和:42882

約数の個数: 16

約数和(自身を含む): 43870208

約数和(自身を除く): 15980717

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 42841, 128523, 299887, 899661, 1328071, 3984213, 9296497, 27889491]

約数ペア:

[(1, 27889491), (3, 9296497), (7, 3984213), (21, 1328071), (31, 899661), (93, 299887), (217, 128523), (651, 42841)]