1947421

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 16

約数和(自身を含む): 2339584

約数和(自身を除く): 392163

約数列:

[1, 7, 37, 73, 103, 259, 511, 721, 2701, 3811, 7519, 18907, 26677, 52633, 278203, 1947421]

約数ペア:

[(1, 1947421), (7, 278203), (37, 52633), (73, 26677), (103, 18907), (259, 7519), (511, 3811), (721, 2701)]