9957689

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 11993088

約数和(自身を除く): 2035399

約数列:

[1, 7, 23, 127, 161, 487, 889, 2921, 3409, 11201, 20447, 61849, 78407, 432943, 1422527, 9957689]

約数ペア:

[(1, 9957689), (7, 1422527), (23, 432943), (127, 78407), (161, 61849), (487, 20447), (889, 11201), (2921, 3409)]