11987427

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{337}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 16353792

約数和(自身を除く): 4366365

約数列:

[1, 3, 71, 167, 213, 337, 501, 1011, 11857, 23927, 35571, 56279, 71781, 168837, 3995809, 11987427]

約数ペア:

[(1, 11987427), (3, 3995809), (71, 168837), (167, 71781), (213, 56279), (337, 35571), (501, 23927), (1011, 11857)]