81611289

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{477259}}^1$

素因数の和:477284

約数の個数: 12

約数和(自身を含む): 124087600

約数和(自身を除く): 42476311

約数列:

[1, 3, 9, 19, 57, 171, 477259, 1431777, 4295331, 9067921, 27203763, 81611289]

約数ペア:

[(1, 81611289), (3, 27203763), (9, 9067921), (19, 4295331), (57, 1431777), (171, 477259)]