81515865

素因数分解:

$3^1\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{2543}}^1$

素因数の和:4688

約数の個数: 16

約数和(自身を含む): 130537728

約数和(自身を除く): 49021863

約数列:

[1, 3, 5, 15, 2137, 2543, 6411, 7629, 10685, 12715, 32055, 38145, 5434391, 16303173, 27171955, 81515865]

約数ペア:

[(1, 81515865), (3, 27171955), (5, 16303173), (15, 5434391), (2137, 38145), (2543, 32055), (6411, 12715), (7629, 10685)]