153208503

素因数分解:

$3^4\times 7^1\times {\mathrm{270209}}^1$

素因数の和:270228

約数の個数: 20

約数和(自身を含む): 261563280

約数和(自身を除く): 108354777

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 270209, 810627, 1891463, 2431881, 5674389, 7295643, 17023167, 21886929, 51069501, 153208503]

約数ペア:

[(1, 153208503), (3, 51069501), (7, 21886929), (9, 17023167), (21, 7295643), (27, 5674389), (63, 2431881), (81, 1891463), (189, 810627), (567, 270209)]