211804209

素因数分解:

$3^2\times {\mathrm{181}}^1\times {\mathrm{130021}}^1$

素因数の和:130208

約数の個数: 12

約数和(自身を含む): 307632052

約数和(自身を除く): 95827843

約数列:

[1, 3, 9, 181, 543, 1629, 130021, 390063, 1170189, 23533801, 70601403, 211804209]

約数ペア:

[(1, 211804209), (3, 70601403), (9, 23533801), (181, 1170189), (543, 390063), (1629, 130021)]