16156623

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{839}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 25280640

約数和(自身を除く): 9124017

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 839, 917, 2517, 2751, 5873, 6419, 17619, 19257, 41111, 109909, 123333, 329727, 769363, 2308089, 5385541, 16156623]

約数ペア:

[(1, 16156623), (3, 5385541), (7, 2308089), (21, 769363), (49, 329727), (131, 123333), (147, 109909), (393, 41111), (839, 19257), (917, 17619), (2517, 6419), (2751, 5873)]