261854205

素因数分解:

$3^1\times 5^1\times {\mathrm{673}}^1\times {\mathrm{25939}}^1$

素因数の和:26620

約数の個数: 16

約数和(自身を含む): 419605440

約数和(自身を除く): 157751235

約数列:

[1, 3, 5, 15, 673, 2019, 3365, 10095, 25939, 77817, 129695, 389085, 17456947, 52370841, 87284735, 261854205]

約数ペア:

[(1, 261854205), (3, 87284735), (5, 52370841), (15, 17456947), (673, 389085), (2019, 129695), (3365, 77817), (10095, 25939)]