19970247

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{3041}}^1$

素因数の和:3254

約数の個数: 16

約数和(自身を含む): 29203200

約数和(自身を除く): 9232953

約数列:

[1, 3, 11, 33, 199, 597, 2189, 3041, 6567, 9123, 33451, 100353, 605159, 1815477, 6656749, 19970247]

約数ペア:

[(1, 19970247), (3, 6656749), (11, 1815477), (33, 605159), (199, 100353), (597, 33451), (2189, 9123), (3041, 6567)]