81485817

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{90239}}^1$

素因数の和:90292

約数の個数: 16

約数和(自身を含む): 127057920

約数和(自身を除く): 45572103

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 90239, 270717, 631673, 1895019, 3880277, 11640831, 27161939, 81485817]

約数ペア:

[(1, 81485817), (3, 27161939), (7, 11640831), (21, 3880277), (43, 1895019), (129, 631673), (301, 270717), (903, 90239)]