16228071

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2207}}^1$

素因数の和:2275

約数の個数: 24

約数和(自身を含む): 25259520

約数和(自身を除く): 9031449

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2207, 2451, 6621, 7353, 19863, 41933, 94901, 125799, 284703, 377397, 854109, 1803119, 5409357, 16228071]

約数ペア:

[(1, 16228071), (3, 5409357), (9, 1803119), (19, 854109), (43, 377397), (57, 284703), (129, 125799), (171, 94901), (387, 41933), (817, 19863), (2207, 7353), (2451, 6621)]