3991701

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1451}}^1$

素因数の和:1592

約数の個数: 16

約数和(自身を含む): 6133248

約数和(自身を除く): 2141547

約数列:

[1, 3, 7, 21, 131, 393, 917, 1451, 2751, 4353, 10157, 30471, 190081, 570243, 1330567, 3991701]

約数ペア:

[(1, 3991701), (3, 1330567), (7, 570243), (21, 190081), (131, 30471), (393, 10157), (917, 4353), (1451, 2751)]