27987861

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1319}}^1$

素因数の和:1976

約数の個数: 16

約数和(自身を含む): 40803840

約数和(自身を除く): 12815979

約数列:

[1, 3, 11, 33, 643, 1319, 1929, 3957, 7073, 14509, 21219, 43527, 848117, 2544351, 9329287, 27987861]

約数ペア:

[(1, 27987861), (3, 9329287), (11, 2544351), (33, 848117), (643, 43527), (1319, 21219), (1929, 14509), (3957, 7073)]