28021389

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 15524211

約数列:

[1, 3, 11, 17, 33, 51, 187, 199, 251, 561, 597, 753, 2189, 2761, 3383, 4267, 6567, 8283, 10149, 12801, 37213, 46937, 49949, 111639, 140811, 149847, 549439, 849133, 1648317, 2547399, 9340463, 28021389]

約数ペア:

[(1, 28021389), (3, 9340463), (11, 2547399), (17, 1648317), (33, 849133), (51, 549439), (187, 149847), (199, 140811), (251, 111639), (561, 49949), (597, 46937), (753, 37213), (2189, 12801), (2761, 10149), (3383, 8283), (4267, 6567)]