199842615

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{634421}}^1$

素因数の和:634439

約数の個数: 24

約数和(自身を含む): 395879328

約数和(自身を除く): 196036713

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 634421, 1903263, 3172105, 4440947, 5709789, 9516315, 13322841, 22204735, 28548945, 39968523, 66614205, 199842615]

約数ペア:

[(1, 199842615), (3, 66614205), (5, 39968523), (7, 28548945), (9, 22204735), (15, 13322841), (21, 9516315), (35, 5709789), (45, 4440947), (63, 3172105), (105, 1903263), (315, 634421)]