128422161

素因数分解:

$3^2\times 7^1\times {\mathrm{677}}^1\times {\mathrm{3011}}^1$

素因数の和:3701

約数の個数: 24

約数和(自身を含む): 212382144

約数和(自身を除く): 83959983

約数列:

[1, 3, 7, 9, 21, 63, 677, 2031, 3011, 4739, 6093, 9033, 14217, 21077, 27099, 42651, 63231, 189693, 2038447, 6115341, 14269129, 18346023, 42807387, 128422161]

約数ペア:

[(1, 128422161), (3, 42807387), (7, 18346023), (9, 14269129), (21, 6115341), (63, 2038447), (677, 189693), (2031, 63231), (3011, 42651), (4739, 27099), (6093, 21077), (9033, 14217)]