30981621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40819}}^1$

素因数の和:40856

約数の個数: 16

約数和(自身を含む): 47024640

約数和(自身を除く): 16043019

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 40819, 122457, 449009, 938837, 1347027, 2816511, 10327207, 30981621]

約数ペア:

[(1, 30981621), (3, 10327207), (11, 2816511), (23, 1347027), (33, 938837), (69, 449009), (253, 122457), (759, 40819)]