17661159

素因数分解:

$3^4\times {\mathrm{337}}^1\times {\mathrm{647}}^1$

素因数の和:996

約数の個数: 20

約数和(自身を含む): 26501904

約数和(自身を除く): 8840745

約数列:

[1, 3, 9, 27, 81, 337, 647, 1011, 1941, 3033, 5823, 9099, 17469, 27297, 52407, 218039, 654117, 1962351, 5887053, 17661159]

約数ペア:

[(1, 17661159), (3, 5887053), (9, 1962351), (27, 654117), (81, 218039), (337, 52407), (647, 27297), (1011, 17469), (1941, 9099), (3033, 5823)]