168138621

素因数分解:

$3^2\times 7^1\times {\mathrm{1601}}^1\times {\mathrm{1667}}^1$

素因数の和:3281

約数の個数: 24

約数和(自身を含む): 277902144

約数和(自身を除く): 109763523

約数列:

[1, 3, 7, 9, 21, 63, 1601, 1667, 4803, 5001, 11207, 11669, 14409, 15003, 33621, 35007, 100863, 105021, 2668867, 8006601, 18682069, 24019803, 56046207, 168138621]

約数ペア:

[(1, 168138621), (3, 56046207), (7, 24019803), (9, 18682069), (21, 8006601), (63, 2668867), (1601, 105021), (1667, 100863), (4803, 35007), (5001, 33621), (11207, 15003), (11669, 14409)]