28085541

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{11987}}^1$

素因数の和:12072

約数の個数: 16

約数和(自身を含む): 41430528

約数和(自身を除く): 13344987

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 11987, 35961, 131857, 395571, 851077, 2553231, 9361847, 28085541]

約数ペア:

[(1, 28085541), (3, 9361847), (11, 2553231), (33, 851077), (71, 395571), (213, 131857), (781, 35961), (2343, 11987)]