2808861

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1811}}^1$

素因数の和:1872

約数の個数: 16

約数和(自身を含む): 4174848

約数和(自身を除く): 1365987

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 1811, 5433, 19921, 59763, 85117, 255351, 936287, 2808861]

約数ペア:

[(1, 2808861), (3, 936287), (11, 255351), (33, 85117), (47, 59763), (141, 19921), (517, 5433), (1551, 1811)]