251145717

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{12953}}^1$

素因数の和:13260

約数の個数: 16

約数和(自身を含む): 350690688

約数和(自身を除く): 99544971

約数列:

[1, 3, 23, 69, 281, 843, 6463, 12953, 19389, 38859, 297919, 893757, 3639793, 10919379, 83715239, 251145717]

約数ペア:

[(1, 251145717), (3, 83715239), (23, 10919379), (69, 3639793), (281, 893757), (843, 297919), (6463, 38859), (12953, 19389)]