128551455

素因数分解:

$3^4\times 5^1\times {\mathrm{317411}}^1$

素因数の和:317428

約数の個数: 20

約数和(自身を含む): 230441112

約数和(自身を除く): 101889657

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 317411, 952233, 1587055, 2856699, 4761165, 8570097, 14283495, 25710291, 42850485, 128551455]

約数ペア:

[(1, 128551455), (3, 42850485), (5, 25710291), (9, 14283495), (15, 8570097), (27, 4761165), (45, 2856699), (81, 1587055), (135, 952233), (405, 317411)]