28169949

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1\times {\mathrm{521}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 38335680

約数和(自身を除く): 10165731

約数列:

[1, 3, 67, 201, 269, 521, 807, 1563, 18023, 34907, 54069, 104721, 140149, 420447, 9389983, 28169949]

約数ペア:

[(1, 28169949), (3, 9389983), (67, 420447), (201, 140149), (269, 104721), (521, 54069), (807, 34907), (1563, 18023)]