199329981

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{12487}}^1$

素因数の和:12820

約数の個数: 16

約数和(自身を含む): 282328704

約数和(自身を除く): 82998723

約数列:

[1, 3, 17, 51, 313, 939, 5321, 12487, 15963, 37461, 212279, 636837, 3908431, 11725293, 66443327, 199329981]

約数ペア:

[(1, 199329981), (3, 66443327), (17, 11725293), (51, 3908431), (313, 636837), (939, 212279), (5321, 37461), (12487, 15963)]