2197481

素因数分解:

${\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:173

約数の個数: 16

約数和(自身を含む): 2623488

約数和(自身を除く): 426007

約数列:

[1, 11, 13, 121, 127, 143, 1331, 1397, 1573, 1651, 15367, 17303, 18161, 169037, 199771, 2197481]

約数ペア:

[(1, 2197481), (11, 199771), (13, 169037), (121, 18161), (127, 17303), (143, 15367), (1331, 1651), (1397, 1573)]