13450281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20287}}^1$

素因数の和:20320

約数の個数: 16

約数和(自身を含む): 20450304

約数和(自身を除く): 7000023

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 20287, 60861, 263731, 344879, 791193, 1034637, 4483427, 13450281]

約数ペア:

[(1, 13450281), (3, 4483427), (13, 1034637), (17, 791193), (39, 344879), (51, 263731), (221, 60861), (663, 20287)]