81288897

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{1597}}^1$

素因数の和:1685

約数の個数: 24

約数和(自身を含む): 116896896

約数和(自身を除く): 35607999

約数列:

[1, 3, 19, 47, 57, 141, 361, 893, 1083, 1597, 2679, 4791, 16967, 30343, 50901, 75059, 91029, 225177, 576517, 1426121, 1729551, 4278363, 27096299, 81288897]

約数ペア:

[(1, 81288897), (3, 27096299), (19, 4278363), (47, 1729551), (57, 1426121), (141, 576517), (361, 225177), (893, 91029), (1083, 75059), (1597, 50901), (2679, 30343), (4791, 16967)]