20161567281

素因数分解:

$3^1\times {\mathrm{419}}^1\times {\mathrm{1619}}^1\times {\mathrm{9907}}^1$

素因数の和:11948

約数の個数: 16

約数和(自身を含む): 26965612800

約数和(自身を除く): 6804045519

約数列:

[1, 3, 419, 1257, 1619, 4857, 9907, 29721, 678361, 2035083, 4151033, 12453099, 16039433, 48118299, 6720522427, 20161567281]

約数ペア:

[(1, 20161567281), (3, 6720522427), (419, 48118299), (1257, 16039433), (1619, 12453099), (4857, 4151033), (9907, 2035083), (29721, 678361)]