9971731

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:283

約数の個数: 24

約数和(自身を含む): 12797792

約数和(自身を除く): 2826061

約数列:

[1, 7, 11, 61, 77, 121, 193, 427, 671, 847, 1351, 2123, 4697, 7381, 11773, 14861, 23353, 51667, 82411, 129503, 163471, 906521, 1424533, 9971731]

約数ペア:

[(1, 9971731), (7, 1424533), (11, 906521), (61, 163471), (77, 129503), (121, 82411), (193, 51667), (427, 23353), (671, 14861), (847, 11773), (1351, 7381), (2123, 4697)]