28986621

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{1237}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 39576384

約数和(自身を除く): 10589763

約数列:

[1, 3, 73, 107, 219, 321, 1237, 3711, 7811, 23433, 90301, 132359, 270903, 397077, 9662207, 28986621]

約数ペア:

[(1, 28986621), (3, 9662207), (73, 397077), (107, 270903), (219, 132359), (321, 90301), (1237, 23433), (3711, 7811)]