81406731

素因数分解:

$3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{11503}}^1$

素因数の和:11850

約数の個数: 16

約数和(自身を含む): 124427264

約数和(自身を除く): 43020533

約数列:

[1, 3, 7, 21, 337, 1011, 2359, 7077, 11503, 34509, 80521, 241563, 3876511, 11629533, 27135577, 81406731]

約数ペア:

[(1, 81406731), (3, 27135577), (7, 11629533), (21, 3876511), (337, 241563), (1011, 80521), (2359, 34509), (7077, 11503)]