205121791

素因数分解:

$7^2\times {\mathrm{1543}}^1\times {\mathrm{2713}}^1$

素因数の和:4270

約数の個数: 12

約数和(自身を含む): 238853712

約数和(自身を除く): 33731921

約数列:

[1, 7, 49, 1543, 2713, 10801, 18991, 75607, 132937, 4186159, 29303113, 205121791]

約数ペア:

[(1, 205121791), (7, 29303113), (49, 4186159), (1543, 132937), (2713, 75607), (10801, 18991)]