6639618

素因数分解:

$2^1\times 3^1\times {\mathrm{643}}^1\times {\mathrm{1721}}^1$

素因数の和:2369

約数の個数: 16

約数和(自身を含む): 13307616

約数和(自身を除く): 6667998

約数列:

[1, 2, 3, 6, 643, 1286, 1721, 1929, 3442, 3858, 5163, 10326, 1106603, 2213206, 3319809, 6639618]

約数ペア:

[(1, 6639618), (2, 3319809), (3, 2213206), (6, 1106603), (643, 10326), (1286, 5163), (1721, 3858), (1929, 3442)]