2191161

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{691}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 3365888

約数和(自身を除く): 1174727

約数列:

[1, 3, 7, 21, 151, 453, 691, 1057, 2073, 3171, 4837, 14511, 104341, 313023, 730387, 2191161]

約数ペア:

[(1, 2191161), (3, 730387), (7, 313023), (21, 104341), (151, 14511), (453, 4837), (691, 3171), (1057, 2073)]