28581161

素因数分解:

$7^3\times {\mathrm{103}}^1\times {\mathrm{809}}^1$

素因数の和:933

約数の個数: 16

約数和(自身を含む): 33696000

約数和(自身を除く): 5114839

約数列:

[1, 7, 49, 103, 343, 721, 809, 5047, 5663, 35329, 39641, 83327, 277487, 583289, 4083023, 28581161]

約数ペア:

[(1, 28581161), (7, 4083023), (49, 583289), (103, 277487), (343, 83327), (721, 39641), (809, 35329), (5047, 5663)]