199987881

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{881}}^1\times {\mathrm{4451}}^1$

素因数の和:5352

約数の個数: 16

約数和(自身を含む): 282719808

約数和(自身を除く): 82731927

約数列:

[1, 3, 17, 51, 881, 2643, 4451, 13353, 14977, 44931, 75667, 227001, 3921331, 11763993, 66662627, 199987881]

約数ペア:

[(1, 199987881), (3, 66662627), (17, 11763993), (51, 3921331), (881, 227001), (2643, 75667), (4451, 44931), (13353, 14977)]