201561591

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{872561}}^1$

素因数の和:872582

約数の個数: 16

約数和(自身を含む): 335063808

約数和(自身を除く): 133502217

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 872561, 2617683, 6107927, 9598171, 18323781, 28794513, 67187197, 201561591]

約数ペア:

[(1, 201561591), (3, 67187197), (7, 28794513), (11, 18323781), (21, 9598171), (33, 6107927), (77, 2617683), (231, 872561)]