725253669

素因数分解:

$3^6\times 7^1\times {\mathrm{142123}}^1$

素因数の和:142148

約数の個数: 28

約数和(自身を含む): 1242732256

約数和(自身を除く): 517478587

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 142123, 426369, 994861, 1279107, 2984583, 3837321, 8953749, 11511963, 26861247, 34535889, 80583741, 103607667, 241751223, 725253669]

約数ペア:

[(1, 725253669), (3, 241751223), (7, 103607667), (9, 80583741), (21, 34535889), (27, 26861247), (63, 11511963), (81, 8953749), (189, 3837321), (243, 2984583), (567, 1279107), (729, 994861), (1701, 426369), (5103, 142123)]