80491275

素因数分解:

$3^2\times 5^2\times {\mathrm{357739}}^1$

素因数の和:357755

約数の個数: 18

約数和(自身を含む): 144169220

約数和(自身を除く): 63677945

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 357739, 1073217, 1788695, 3219651, 5366085, 8943475, 16098255, 26830425, 80491275]

約数ペア:

[(1, 80491275), (3, 26830425), (5, 16098255), (9, 8943475), (15, 5366085), (25, 3219651), (45, 1788695), (75, 1073217), (225, 357739)]