56121639

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{19507}}^1$

素因数の和:19654

約数の個数: 16

約数和(自身を含む): 86147328

約数和(自身を除く): 30025689

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 19507, 58521, 136549, 409647, 2672459, 8017377, 18707213, 56121639]

約数ペア:

[(1, 56121639), (3, 18707213), (7, 8017377), (21, 2672459), (137, 409647), (411, 136549), (959, 58521), (2877, 19507)]