2127981

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1068

約数の個数: 16

約数和(自身を含む): 3070400

約数和(自身を除く): 942419

約数列:

[1, 3, 19, 37, 57, 111, 703, 1009, 2109, 3027, 19171, 37333, 57513, 111999, 709327, 2127981]

約数ペア:

[(1, 2127981), (3, 709327), (19, 111999), (37, 57513), (57, 37333), (111, 19171), (703, 3027), (1009, 2109)]