128108817

素因数分解:

$3^3\times {\mathrm{223}}^1\times {\mathrm{21277}}^1$

素因数の和:21509

約数の個数: 16

約数和(自身を含む): 190650880

約数和(自身を除く): 62542063

約数列:

[1, 3, 9, 27, 223, 669, 2007, 6021, 21277, 63831, 191493, 574479, 4744771, 14234313, 42702939, 128108817]

約数ペア:

[(1, 128108817), (3, 42702939), (9, 14234313), (27, 4744771), (223, 574479), (669, 191493), (2007, 63831), (6021, 21277)]