211380687

素因数分解:

$3^2\times 7^1\times {\mathrm{761}}^1\times {\mathrm{4409}}^1$

素因数の和:5183

約数の個数: 24

約数和(自身を含む): 349483680

約数和(自身を除く): 138102993

約数列:

[1, 3, 7, 9, 21, 63, 761, 2283, 4409, 5327, 6849, 13227, 15981, 30863, 39681, 47943, 92589, 277767, 3355249, 10065747, 23486743, 30197241, 70460229, 211380687]

約数ペア:

[(1, 211380687), (3, 70460229), (7, 30197241), (9, 23486743), (21, 10065747), (63, 3355249), (761, 277767), (2283, 92589), (4409, 47943), (5327, 39681), (6849, 30863), (13227, 15981)]