25295571

素因数分解:

$3^6\times 7^1\times {\mathrm{4957}}^1$

素因数の和:4982

約数の個数: 28

約数和(自身を含む): 43352752

約数和(自身を除く): 18057181

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 4957, 5103, 14871, 34699, 44613, 104097, 133839, 312291, 401517, 936873, 1204551, 2810619, 3613653, 8431857, 25295571]

約数ペア:

[(1, 25295571), (3, 8431857), (7, 3613653), (9, 2810619), (21, 1204551), (27, 936873), (63, 401517), (81, 312291), (189, 133839), (243, 104097), (567, 44613), (729, 34699), (1701, 14871), (4957, 5103)]