199054719

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{320539}}^1$

素因数の和:320571

約数の個数: 16

約数和(自身を含む): 307718400

約数和(自身を除く): 108663681

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 320539, 961617, 2884851, 7372397, 8654553, 22117191, 66351573, 199054719]

約数ペア:

[(1, 199054719), (3, 66351573), (9, 22117191), (23, 8654553), (27, 7372397), (69, 2884851), (207, 961617), (621, 320539)]