81581241

素因数分解:

$3^1\times 7^1\times {\mathrm{1039}}^1\times {\mathrm{3739}}^1$

素因数の和:4788

約数の個数: 16

約数和(自身を含む): 124467200

約数和(自身を除く): 42885959

約数列:

[1, 3, 7, 21, 1039, 3117, 3739, 7273, 11217, 21819, 26173, 78519, 3884821, 11654463, 27193747, 81581241]

約数ペア:

[(1, 81581241), (3, 27193747), (7, 11654463), (21, 3884821), (1039, 78519), (3117, 26173), (3739, 21819), (7273, 11217)]