408879237

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{20123}}^1$

素因数の和:20660

約数の個数: 16

約数和(自身を含む): 588264768

約数和(自身を除く): 179385531

約数列:

[1, 3, 13, 39, 521, 1563, 6773, 20123, 20319, 60369, 261599, 784797, 10484083, 31452249, 136293079, 408879237]

約数ペア:

[(1, 408879237), (3, 136293079), (13, 31452249), (39, 10484083), (521, 784797), (1563, 261599), (6773, 60369), (20123, 20319)]