1969139721

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{3907}}^2$

素因数の和:7860

約数の個数: 12

約数和(自身を含む): 2687266032

約数和(自身を除く): 718126311

約数列:

[1, 3, 43, 129, 3907, 11721, 168001, 504003, 15264649, 45793947, 656379907, 1969139721]

約数ペア:

[(1, 1969139721), (3, 656379907), (43, 45793947), (129, 15264649), (3907, 504003), (11721, 168001)]