211531199

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{53269}}^1$

素因数の和:53318

約数の個数: 12

約数和(自身を含む): 243550440

約数和(自身を除く): 32019241

約数列:

[1, 11, 19, 209, 361, 3971, 53269, 585959, 1012111, 11133221, 19230109, 211531199]

約数ペア:

[(1, 211531199), (11, 19230109), (19, 11133221), (209, 1012111), (361, 585959), (3971, 53269)]