156720400803

素因数分解:

$3^5\times {\mathrm{644939921}}^1$

素因数の和:644939936

約数の個数: 12

約数和(自身を含む): 234758131608

約数和(自身を除く): 78037730805

約数列:

[1, 3, 9, 27, 81, 243, 644939921, 1934819763, 5804459289, 17413377867, 52240133601, 156720400803]

約数ペア:

[(1, 156720400803), (3, 52240133601), (9, 17413377867), (27, 5804459289), (81, 1934819763), (243, 644939921)]