81137757

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{5557}}^1$

素因数の和:5748

約数の個数: 16

約数和(自身を含む): 112404992

約数和(自身を除く): 31267235

約数列:

[1, 3, 31, 93, 157, 471, 4867, 5557, 14601, 16671, 172267, 516801, 872449, 2617347, 27045919, 81137757]

約数ペア:

[(1, 81137757), (3, 27045919), (31, 2617347), (93, 872449), (157, 516801), (471, 172267), (4867, 16671), (5557, 14601)]