81996555

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{39901}}^1$

素因数の和:40046

約数の個数: 16

約数和(自身を含む): 132155424

約数和(自身を除く): 50158869

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 39901, 119703, 199505, 598515, 5466437, 16399311, 27332185, 81996555]

約数ペア:

[(1, 81996555), (3, 27332185), (5, 16399311), (15, 5466437), (137, 598515), (411, 199505), (685, 119703), (2055, 39901)]