8907021

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 13343616

約数和(自身を除く): 4436595

約数列:

[1, 3, 9, 53, 71, 159, 213, 263, 477, 639, 789, 2367, 3763, 11289, 13939, 18673, 33867, 41817, 56019, 125451, 168057, 989669, 2969007, 8907021]

約数ペア:

[(1, 8907021), (3, 2969007), (9, 989669), (53, 168057), (71, 125451), (159, 56019), (213, 41817), (263, 33867), (477, 18673), (639, 13939), (789, 11289), (2367, 3763)]