6640521

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 9100608

約数和(自身を除く): 2460087

約数列:

[1, 3, 61, 131, 183, 277, 393, 831, 7991, 16897, 23973, 36287, 50691, 108861, 2213507, 6640521]

約数ペア:

[(1, 6640521), (3, 2213507), (61, 108861), (131, 50691), (183, 36287), (277, 23973), (393, 16897), (831, 7991)]