28291863

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{787}}^1$

素因数の和:1334

約数の個数: 16

約数和(自身を含む): 39488256

約数和(自身を除く): 11196393

約数列:

[1, 3, 23, 69, 521, 787, 1563, 2361, 11983, 18101, 35949, 54303, 410027, 1230081, 9430621, 28291863]

約数ペア:

[(1, 28291863), (3, 9430621), (23, 1230081), (69, 410027), (521, 54303), (787, 35949), (1563, 18101), (2361, 11983)]