81646293

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2\times {\mathrm{359}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 114488640

約数和(自身を除く): 32842347

約数列:

[1, 3, 41, 43, 123, 129, 359, 1077, 1763, 1849, 5289, 5547, 14719, 15437, 44157, 46311, 75809, 227427, 632917, 663791, 1898751, 1991373, 27215431, 81646293]

約数ペア:

[(1, 81646293), (3, 27215431), (41, 1991373), (43, 1898751), (123, 663791), (129, 632917), (359, 227427), (1077, 75809), (1763, 46311), (1849, 44157), (5289, 15437), (5547, 14719)]