997353

素因数分解:

$3^4\times 7^1\times {\mathrm{1759}}^1$

素因数の和:1778

約数の個数: 20

約数和(自身を含む): 1703680

約数和(自身を除く): 706327

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1759, 5277, 12313, 15831, 36939, 47493, 110817, 142479, 332451, 997353]

約数ペア:

[(1, 997353), (3, 332451), (7, 142479), (9, 110817), (21, 47493), (27, 36939), (63, 15831), (81, 12313), (189, 5277), (567, 1759)]