80257959

素因数分解:

$3^4\times {\mathrm{661}}^1\times {\mathrm{1499}}^1$

素因数の和:2172

約数の個数: 20

約数和(自身を含む): 120153000

約数和(自身を除く): 39895041

約数列:

[1, 3, 9, 27, 81, 661, 1499, 1983, 4497, 5949, 13491, 17847, 40473, 53541, 121419, 990839, 2972517, 8917551, 26752653, 80257959]

約数ペア:

[(1, 80257959), (3, 26752653), (9, 8917551), (27, 2972517), (81, 990839), (661, 121419), (1499, 53541), (1983, 40473), (4497, 17847), (5949, 13491)]