20161225281

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{1787}}^1\times {\mathrm{70957}}^1$

素因数の和:72800

約数の個数: 16

約数和(自身を含む): 27404547264

約数和(自身を除く): 7243321983

約数列:

[1, 3, 53, 159, 1787, 5361, 70957, 94711, 212871, 284133, 3760721, 11282163, 126800159, 380400477, 6720408427, 20161225281]

約数ペア:

[(1, 20161225281), (3, 6720408427), (53, 380400477), (159, 126800159), (1787, 11282163), (5361, 3760721), (70957, 284133), (94711, 212871)]