80420361

素因数分解:

$3^1\times 7^1\times {\mathrm{1787}}^1\times {\mathrm{2143}}^1$

素因数の和:3940

約数の個数: 16

約数和(自身を含む): 122671104

約数和(自身を除く): 42250743

約数列:

[1, 3, 7, 21, 1787, 2143, 5361, 6429, 12509, 15001, 37527, 45003, 3829541, 11488623, 26806787, 80420361]

約数ペア:

[(1, 80420361), (3, 26806787), (7, 11488623), (21, 3829541), (1787, 45003), (2143, 37527), (5361, 15001), (6429, 12509)]