205813629

素因数分解:

$3^4\times 7^1\times {\mathrm{362987}}^1$

素因数の和:363006

約数の個数: 20

約数和(自身を含む): 351372384

約数和(自身を除く): 145558755

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 362987, 1088961, 2540909, 3266883, 7622727, 9800649, 22868181, 29401947, 68604543, 205813629]

約数ペア:

[(1, 205813629), (3, 68604543), (7, 29401947), (9, 22868181), (21, 9800649), (27, 7622727), (63, 3266883), (81, 2540909), (189, 1088961), (567, 362987)]