681429

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{877}}^1$

素因数の和:924

約数の個数: 16

約数和(自身を含む): 1067648

約数和(自身を除く): 386219

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 877, 2631, 6139, 18417, 32449, 97347, 227143, 681429]

約数ペア:

[(1, 681429), (3, 227143), (7, 97347), (21, 32449), (37, 18417), (111, 6139), (259, 2631), (777, 877)]