17987289

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1$

素因数の和:1000

約数の個数: 16

約数和(自身を含む): 24594240

約数和(自身を除く): 6606951

約数列:

[1, 3, 67, 109, 201, 327, 821, 2463, 7303, 21909, 55007, 89489, 165021, 268467, 5995763, 17987289]

約数ペア:

[(1, 17987289), (3, 5995763), (67, 268467), (109, 165021), (201, 89489), (327, 55007), (821, 21909), (2463, 7303)]