409458321

素因数分解:

$3^4\times {\mathrm{1951}}^1\times {\mathrm{2591}}^1$

素因数の和:4554

約数の個数: 20

約数和(自身を含む): 612209664

約数和(自身を除く): 202751343

約数列:

[1, 3, 9, 27, 81, 1951, 2591, 5853, 7773, 17559, 23319, 52677, 69957, 158031, 209871, 5055041, 15165123, 45495369, 136486107, 409458321]

約数ペア:

[(1, 409458321), (3, 136486107), (9, 45495369), (27, 15165123), (81, 5055041), (1951, 209871), (2591, 158031), (5853, 69957), (7773, 52677), (17559, 23319)]