81939081

素因数分解:

$3^1\times 7^1\times {\mathrm{1831}}^1\times {\mathrm{2131}}^1$

素因数の和:3972

約数の個数: 16

約数和(自身を含む): 124986368

約数和(自身を除く): 43047287

約数列:

[1, 3, 7, 21, 1831, 2131, 5493, 6393, 12817, 14917, 38451, 44751, 3901861, 11705583, 27313027, 81939081]

約数ペア:

[(1, 81939081), (3, 27313027), (7, 11705583), (21, 3901861), (1831, 44751), (2131, 38451), (5493, 14917), (6393, 12817)]