171912839

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{1301}}^1$

素因数の和:1790

約数の個数: 16

約数和(自身を含む): 201653760

約数和(自身を除く): 29740921

約数列:

[1, 7, 43, 301, 439, 1301, 3073, 9107, 18877, 55943, 132139, 391601, 571139, 3997973, 24558977, 171912839]

約数ペア:

[(1, 171912839), (7, 24558977), (43, 3997973), (301, 571139), (439, 391601), (1301, 132139), (3073, 55943), (9107, 18877)]