28212171

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{16823}}^1$

素因数の和:16882

約数の個数: 16

約数和(自身を含む): 41454336

約数和(自身を除く): 13242165

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 16823, 50469, 218699, 656097, 723389, 2170167, 9404057, 28212171]

約数ペア:

[(1, 28212171), (3, 9404057), (13, 2170167), (39, 723389), (43, 656097), (129, 218699), (559, 50469), (1677, 16823)]