28407753

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{31883}}^1$

素因数の和:31906

約数の個数: 20

約数和(自身を含む): 46295568

約数和(自身を除く): 17887815

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 31883, 95649, 286947, 350713, 860841, 1052139, 2582523, 3156417, 9469251, 28407753]

約数ペア:

[(1, 28407753), (3, 9469251), (9, 3156417), (11, 2582523), (27, 1052139), (33, 860841), (81, 350713), (99, 286947), (297, 95649), (891, 31883)]