1520782371

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{354247}}^1$

素因数の和:354312

約数の個数: 20

約数和(自身を含む): 2314656432

約数和(自身を除く): 793874061

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 354247, 1062741, 3188223, 9564669, 18775091, 28694007, 56325273, 168975819, 506927457, 1520782371]

約数ペア:

[(1, 1520782371), (3, 506927457), (9, 168975819), (27, 56325273), (53, 28694007), (81, 18775091), (159, 9564669), (477, 3188223), (1431, 1062741), (4293, 354247)]