51202431

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{11447}}^1$

素因数の和:11531

約数の個数: 24

約数和(自身を含む): 85722624

約数和(自身を除く): 34520193

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 11447, 34341, 80129, 103023, 240387, 721161, 812737, 2438211, 5689159, 7314633, 17067477, 51202431]

約数ペア:

[(1, 51202431), (3, 17067477), (7, 7314633), (9, 5689159), (21, 2438211), (63, 812737), (71, 721161), (213, 240387), (497, 103023), (639, 80129), (1491, 34341), (4473, 11447)]