81071815

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{1301}}^1$

素因数の和:1431

約数の個数: 24

約数和(自身を含む): 108055584

約数和(自身を除く): 26983769

約数列:

[1, 5, 11, 55, 103, 121, 515, 605, 1133, 1301, 5665, 6505, 12463, 14311, 62315, 71555, 134003, 157421, 670015, 787105, 1474033, 7370165, 16214363, 81071815]

約数ペア:

[(1, 81071815), (5, 16214363), (11, 7370165), (55, 1474033), (103, 787105), (121, 670015), (515, 157421), (605, 134003), (1133, 71555), (1301, 62315), (5665, 14311), (6505, 12463)]