13438347

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20269}}^1$

素因数の和:20302

約数の個数: 16

約数和(自身を含む): 20432160

約数和(自身を除く): 6993813

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 20269, 60807, 263497, 344573, 790491, 1033719, 4479449, 13438347]

約数ペア:

[(1, 13438347), (3, 4479449), (13, 1033719), (17, 790491), (39, 344573), (51, 263497), (221, 60807), (663, 20269)]