128016621

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2251}}^1$

素因数の和:2417

約数の個数: 24

約数和(自身を含む): 189708480

約数和(自身を除く): 61691859

約数列:

[1, 3, 9, 71, 89, 213, 267, 639, 801, 2251, 6319, 6753, 18957, 20259, 56871, 159821, 200339, 479463, 601017, 1438389, 1803051, 14224069, 42672207, 128016621]

約数ペア:

[(1, 128016621), (3, 42672207), (9, 14224069), (71, 1803051), (89, 1438389), (213, 601017), (267, 479463), (639, 200339), (801, 159821), (2251, 56871), (6319, 20259), (6753, 18957)]