208051307121

素因数分解:

$3^1\times 7^1\times {\mathrm{5119}}^1\times {\mathrm{1935379}}^1$

素因数の和:1940508

約数の個数: 16

約数和(自身を含む): 317092659200

約数和(自身を除く): 109041352079

約数列:

[1, 3, 7, 21, 5119, 15357, 35833, 107499, 1935379, 5806137, 13547653, 40642959, 9907205101, 29721615303, 69350435707, 208051307121]

約数ペア:

[(1, 208051307121), (3, 69350435707), (7, 29721615303), (21, 9907205101), (5119, 40642959), (15357, 13547653), (35833, 5806137), (107499, 1935379)]