16871375

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{1901}}^1$

素因数の和:1987

約数の個数: 16

約数和(自身を含む): 21363264

約数和(自身を除く): 4491889

約数列:

[1, 5, 25, 71, 125, 355, 1775, 1901, 8875, 9505, 47525, 134971, 237625, 674855, 3374275, 16871375]

約数ペア:

[(1, 16871375), (5, 3374275), (25, 674855), (71, 237625), (125, 134971), (355, 47525), (1775, 9505), (1901, 8875)]