81135681

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{129403}}^1$

素因数の和:129436

約数の個数: 16

約数和(自身を含む): 124227840

約数和(自身を除く): 43092159

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 129403, 388209, 1423433, 2458657, 4270299, 7375971, 27045227, 81135681]

約数ペア:

[(1, 81135681), (3, 27045227), (11, 7375971), (19, 4270299), (33, 2458657), (57, 1423433), (209, 388209), (627, 129403)]