28179909

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1069}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 42564600

約数和(自身を除く): 14384691

約数列:

[1, 3, 9, 29, 87, 101, 261, 303, 909, 1069, 2929, 3207, 8787, 9621, 26361, 31001, 93003, 107969, 279009, 323907, 971721, 3131101, 9393303, 28179909]

約数ペア:

[(1, 28179909), (3, 9393303), (9, 3131101), (29, 971721), (87, 323907), (101, 279009), (261, 107969), (303, 93003), (909, 31001), (1069, 26361), (2929, 9621), (3207, 8787)]