28295091

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{919}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 44778240

約数和(自身を除く): 16483149

約数列:

[1, 3, 9, 11, 33, 99, 311, 919, 933, 2757, 2799, 3421, 8271, 10109, 10263, 30327, 30789, 90981, 285809, 857427, 2572281, 3143899, 9431697, 28295091]

約数ペア:

[(1, 28295091), (3, 9431697), (9, 3143899), (11, 2572281), (33, 857427), (99, 285809), (311, 90981), (919, 30789), (933, 30327), (2757, 10263), (2799, 10109), (3421, 8271)]