80931291

素因数分解:

$3^1\times 7^2\times {\mathrm{550553}}^1$

素因数の和:550570

約数の個数: 12

約数和(自身を含む): 125526312

約数和(自身を除く): 44595021

約数列:

[1, 3, 7, 21, 49, 147, 550553, 1651659, 3853871, 11561613, 26977097, 80931291]

約数ペア:

[(1, 80931291), (3, 26977097), (7, 11561613), (21, 3853871), (49, 1651659), (147, 550553)]