2927981

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 16

約数和(自身を含む): 3514368

約数和(自身を除く): 586387

約数列:

[1, 7, 31, 103, 131, 217, 721, 917, 3193, 4061, 13493, 22351, 28427, 94451, 418283, 2927981]

約数ペア:

[(1, 2927981), (7, 418283), (31, 94451), (103, 28427), (131, 22351), (217, 13493), (721, 4061), (917, 3193)]