217335939

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{39827}}^1$

素因数の和:39954

約数の個数: 16

約数和(自身を含む): 309702528

約数和(自身を除く): 92366589

約数列:

[1, 3, 17, 51, 107, 321, 1819, 5457, 39827, 119481, 677059, 2031177, 4261489, 12784467, 72445313, 217335939]

約数ペア:

[(1, 217335939), (3, 72445313), (17, 12784467), (51, 4261489), (107, 2031177), (321, 677059), (1819, 119481), (5457, 39827)]