28743507

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{245671}}^1$

素因数の和:245690

約数の個数: 12

約数和(自身を含む): 44712304

約数和(自身を除く): 15968797

約数列:

[1, 3, 9, 13, 39, 117, 245671, 737013, 2211039, 3193723, 9581169, 28743507]

約数ペア:

[(1, 28743507), (3, 9581169), (9, 3193723), (13, 2211039), (39, 737013), (117, 245671)]