2912178297

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{997663}}^1$

素因数の和:997812

約数の個数: 16

約数和(自身を含む): 4469534720

約数和(自身を除く): 1557356423

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 997663, 2992989, 6983641, 20950923, 138675157, 416025471, 970726099, 2912178297]

約数ペア:

[(1, 2912178297), (3, 970726099), (7, 416025471), (21, 138675157), (139, 20950923), (417, 6983641), (973, 2992989), (2919, 997663)]