2011211559

素因数分解:

$3^3\times 7^1\times {\mathrm{10641331}}^1$

素因数の和:10641347

約数の個数: 16

約数和(自身を含む): 3405226240

約数和(自身を除く): 1394014681

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 10641331, 31923993, 74489317, 95771979, 223467951, 287315937, 670403853, 2011211559]

約数ペア:

[(1, 2011211559), (3, 670403853), (7, 287315937), (9, 223467951), (21, 95771979), (27, 74489317), (63, 31923993), (189, 10641331)]