1680702947

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{180391}}^1$

素因数の和:180431

約数の個数: 16

約数和(自身を含む): 2112751104

約数和(自身を除く): 432048157

約数列:

[1, 7, 11, 77, 121, 847, 1331, 9317, 180391, 1262737, 1984301, 13890107, 21827311, 152791177, 240100421, 1680702947]

約数ペア:

[(1, 1680702947), (7, 240100421), (11, 152791177), (77, 21827311), (121, 13890107), (847, 1984301), (1331, 1262737), (9317, 180391)]