28212177

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{6367}}^1$

素因数の和:6588

約数の個数: 16

約数和(自身を含む): 43200512

約数和(自身を除く): 14988335

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4431, 6367, 19101, 44569, 133707, 1343437, 4030311, 9404059, 28212177]

約数ペア:

[(1, 28212177), (3, 9404059), (7, 4030311), (21, 1343437), (211, 133707), (633, 44569), (1477, 19101), (4431, 6367)]