80427291

素因数分解:

$3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{7351}}^1$

素因数の和:7882

約数の個数: 16

約数和(自身を含む): 122807808

約数和(自身を除く): 42380517

約数列:

[1, 3, 7, 21, 521, 1563, 3647, 7351, 10941, 22053, 51457, 154371, 3829871, 11489613, 26809097, 80427291]

約数ペア:

[(1, 80427291), (3, 26809097), (7, 11489613), (21, 3829871), (521, 154371), (1563, 51457), (3647, 22053), (7351, 10941)]