28122891

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 38330880

約数和(自身を除く): 10207989

約数列:

[1, 3, 61, 183, 239, 643, 717, 1929, 14579, 39223, 43737, 117669, 153677, 461031, 9374297, 28122891]

約数ペア:

[(1, 28122891), (3, 9374297), (61, 461031), (183, 153677), (239, 117669), (643, 43737), (717, 39223), (1929, 14579)]