39991197

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 54058752

約数和(自身を除く): 14067555

約数列:

[1, 3, 157, 197, 431, 471, 591, 1293, 30929, 67667, 84907, 92787, 203001, 254721, 13330399, 39991197]

約数ペア:

[(1, 39991197), (3, 13330399), (157, 254721), (197, 203001), (431, 92787), (471, 84907), (591, 67667), (1293, 30929)]