28372785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{270217}}^1$

素因数の和:270232

約数の個数: 16

約数和(自身を含む): 51881856

約数和(自身を除く): 23509071

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 270217, 810651, 1351085, 1891519, 4053255, 5674557, 9457595, 28372785]

約数ペア:

[(1, 28372785), (3, 9457595), (5, 5674557), (7, 4053255), (15, 1891519), (21, 1351085), (35, 810651), (105, 270217)]