16804520721

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{98272051}}^1$

素因数の和:98272076

約数の個数: 12

約数和(自身を含む): 25550733520

約数和(自身を除く): 8746212799

約数列:

[1, 3, 9, 19, 57, 171, 98272051, 294816153, 884448459, 1867168969, 5601506907, 16804520721]

約数ペア:

[(1, 16804520721), (3, 5601506907), (9, 1867168969), (19, 884448459), (57, 294816153), (171, 98272051)]