31080511

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1913}}^1$

素因数の和:2142

約数の個数: 16

約数和(自身を含む): 38953728

約数和(自身を除く): 7873217

約数列:

[1, 7, 11, 77, 211, 1477, 1913, 2321, 13391, 16247, 21043, 147301, 403643, 2825501, 4440073, 31080511]

約数ペア:

[(1, 31080511), (7, 4440073), (11, 2825501), (77, 403643), (211, 147301), (1477, 21043), (1913, 16247), (2321, 13391)]