211804571

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{509}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 246901200

約数和(自身を除く): 35096629

約数列:

[1, 11, 19, 121, 181, 209, 509, 1991, 2299, 3439, 5599, 9671, 21901, 37829, 61589, 92129, 106381, 416119, 1013419, 1170191, 1750451, 11147609, 19254961, 211804571]

約数ペア:

[(1, 211804571), (11, 19254961), (19, 11147609), (121, 1750451), (181, 1170191), (209, 1013419), (509, 416119), (1991, 106381), (2299, 92129), (3439, 61589), (5599, 37829), (9671, 21901)]