28415721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1\times {\mathrm{823}}^1$

素因数の和:1520

約数の個数: 16

約数和(自身を含む): 40224384

約数和(自身を除く): 11808663

約数列:

[1, 3, 17, 51, 677, 823, 2031, 2469, 11509, 13991, 34527, 41973, 557171, 1671513, 9471907, 28415721]

約数ペア:

[(1, 28415721), (3, 9471907), (17, 1671513), (51, 557171), (677, 41973), (823, 34527), (2031, 13991), (2469, 11509)]