28120473

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{14669}}^1$

素因数の和:14749

約数の個数: 16

約数和(自身を含む): 42249600

約数和(自身を除く): 14129127

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 14669, 44007, 132021, 396063, 1041499, 3124497, 9373491, 28120473]

約数ペア:

[(1, 28120473), (3, 9373491), (9, 3124497), (27, 1041499), (71, 396063), (213, 132021), (639, 44007), (1917, 14669)]