81720282

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1945721}}^1$

素因数の和:1945733

約数の個数: 16

約数和(自身を含む): 186789312

約数和(自身を除く): 105069030

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1945721, 3891442, 5837163, 11674326, 13620047, 27240094, 40860141, 81720282]

約数ペア:

[(1, 81720282), (2, 40860141), (3, 27240094), (6, 13620047), (7, 11674326), (14, 5837163), (21, 3891442), (42, 1945721)]