561453

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:208

約数の個数: 16

約数和(自身を含む): 798720

約数和(自身を除く): 237267

約数列:

[1, 3, 23, 69, 79, 103, 237, 309, 1817, 2369, 5451, 7107, 8137, 24411, 187151, 561453]

約数ペア:

[(1, 561453), (3, 187151), (23, 24411), (69, 8137), (79, 7107), (103, 5451), (237, 2369), (309, 1817)]