81354561

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{13339}}^1$

素因数の和:13468

約数の個数: 16

約数和(自身を含む): 115257600

約数和(自身を除く): 33903039

約数列:

[1, 3, 19, 57, 107, 321, 2033, 6099, 13339, 40017, 253441, 760323, 1427273, 4281819, 27118187, 81354561]

約数ペア:

[(1, 81354561), (3, 27118187), (19, 4281819), (57, 1427273), (107, 760323), (321, 253441), (2033, 40017), (6099, 13339)]