247411587

素因数分解:

$3^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1\times {\mathrm{1439}}^1$

素因数の和:1922

約数の個数: 16

約数和(自身を含む): 332881920

約数和(自身を除く): 85470333

約数列:

[1, 3, 223, 257, 669, 771, 1439, 4317, 57311, 171933, 320897, 369823, 962691, 1109469, 82470529, 247411587]

約数ペア:

[(1, 247411587), (3, 82470529), (223, 1109469), (257, 962691), (669, 369823), (771, 320897), (1439, 171933), (4317, 57311)]