2011121139

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{578407}}^1$

素因数の和:578490

約数の個数: 16

約数和(自身を含む): 2868903680

約数和(自身を除く): 857782541

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 578407, 1735221, 10989733, 32969199, 35282827, 105848481, 670373713, 2011121139]

約数ペア:

[(1, 2011121139), (3, 670373713), (19, 105848481), (57, 35282827), (61, 32969199), (183, 10989733), (1159, 1735221), (3477, 578407)]