199979073

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{16447}}^1$

素因数の和:16653

約数の個数: 24

約数和(自身を含む): 331854848

約数和(自身を除く): 131875775

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1737, 4053, 12159, 16447, 49341, 115129, 148023, 345387, 1036161, 3174271, 9522813, 22219897, 28568439, 66659691, 199979073]

約数ペア:

[(1, 199979073), (3, 66659691), (7, 28568439), (9, 22219897), (21, 9522813), (63, 3174271), (193, 1036161), (579, 345387), (1351, 148023), (1737, 115129), (4053, 49341), (12159, 16447)]