128145921

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1\times {\mathrm{1879}}^1$

素因数の和:2188

約数の個数: 16

約数和(自身を含む): 173260800

約数和(自身を除く): 45114879

約数列:

[1, 3, 127, 179, 381, 537, 1879, 5637, 22733, 68199, 238633, 336341, 715899, 1009023, 42715307, 128145921]

約数ペア:

[(1, 128145921), (3, 42715307), (127, 1009023), (179, 715899), (381, 336341), (537, 238633), (1879, 68199), (5637, 22733)]