28286613

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{44267}}^1$

素因数の和:44344

約数の個数: 12

約数和(自身を含む): 41434848

約数和(自身を除く): 13148235

約数列:

[1, 3, 9, 71, 213, 639, 44267, 132801, 398403, 3142957, 9428871, 28286613]

約数ペア:

[(1, 28286613), (3, 9428871), (9, 3142957), (71, 398403), (213, 132801), (639, 44267)]