15420699

素因数分解:

$3^4\times 7^1\times {\mathrm{27197}}^1$

素因数の和:27216

約数の個数: 20

約数和(自身を含む): 26327664

約数和(自身を除く): 10906965

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 27197, 81591, 190379, 244773, 571137, 734319, 1713411, 2202957, 5140233, 15420699]

約数ペア:

[(1, 15420699), (3, 5140233), (7, 2202957), (9, 1713411), (21, 734319), (27, 571137), (63, 244773), (81, 190379), (189, 81591), (567, 27197)]