8128281

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4349}}^1$

素因数の和:4448

約数の個数: 16

約数和(自身を含む): 12528000

約数和(自身を除く): 4399719

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 4349, 13047, 30443, 91329, 387061, 1161183, 2709427, 8128281]

約数ペア:

[(1, 8128281), (3, 2709427), (7, 1161183), (21, 387061), (89, 91329), (267, 30443), (623, 13047), (1869, 4349)]