81678282

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1944721}}^1$

素因数の和:1944733

約数の個数: 16

約数和(自身を含む): 186693312

約数和(自身を除く): 105015030

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1944721, 3889442, 5834163, 11668326, 13613047, 27226094, 40839141, 81678282]

約数ペア:

[(1, 81678282), (2, 40839141), (3, 27226094), (6, 13613047), (7, 11668326), (14, 5834163), (21, 3889442), (42, 1944721)]