2841021

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{757}}^1$

素因数の和:905

約数の個数: 16

約数和(自身を含む): 4244800

約数和(自身を除く): 1403779

約数列:

[1, 3, 9, 27, 139, 417, 757, 1251, 2271, 3753, 6813, 20439, 105223, 315669, 947007, 2841021]

約数ペア:

[(1, 2841021), (3, 947007), (9, 315669), (27, 105223), (139, 20439), (417, 6813), (757, 3753), (1251, 2271)]