28874433

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72367}}^1$

素因数の和:72396

約数の個数: 16

約数和(自身を含む): 46315520

約数和(自身を除く): 17441087

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 72367, 217101, 506569, 1374973, 1519707, 4124919, 9624811, 28874433]

約数ペア:

[(1, 28874433), (3, 9624811), (7, 4124919), (19, 1519707), (21, 1374973), (57, 506569), (133, 217101), (399, 72367)]