28615707

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{19997}}^1$

素因数の和:20059

約数の個数: 16

約数和(自身を含む): 43195680

約数和(自身を除く): 14579973

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 19997, 59991, 179973, 539919, 1059841, 3179523, 9538569, 28615707]

約数ペア:

[(1, 28615707), (3, 9538569), (9, 3179523), (27, 1059841), (53, 539919), (159, 179973), (477, 59991), (1431, 19997)]