17980493811

素因数分解:

$3^1\times 7^1\times {\mathrm{4177}}^1\times {\mathrm{204983}}^1$

素因数の和:209170

約数の個数: 16

約数和(自身を含む): 27405540864

約数和(自身を除く): 9425047053

約数列:

[1, 3, 7, 21, 4177, 12531, 29239, 87717, 204983, 614949, 1434881, 4304643, 856213991, 2568641973, 5993497937, 17980493811]

約数ペア:

[(1, 17980493811), (3, 5993497937), (7, 2568641973), (21, 856213991), (4177, 4304643), (12531, 1434881), (29239, 614949), (87717, 204983)]