561611379

素因数分解:

$3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{40459}}^1$

素因数の和:41130

約数の個数: 16

約数和(自身を含む): 857104640

約数和(自身を除く): 295493261

約数列:

[1, 3, 7, 21, 661, 1983, 4627, 13881, 40459, 121377, 283213, 849639, 26743399, 80230197, 187203793, 561611379]

約数ペア:

[(1, 561611379), (3, 187203793), (7, 80230197), (21, 26743399), (661, 849639), (1983, 283213), (4627, 121377), (13881, 40459)]