17488791

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{3041}}^1$

素因数の和:3124

約数の個数: 20

約数和(自身を含む): 26501904

約数和(自身を除く): 9013113

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 3041, 5751, 9123, 27369, 82107, 215911, 246321, 647733, 1943199, 5829597, 17488791]

約数ペア:

[(1, 17488791), (3, 5829597), (9, 1943199), (27, 647733), (71, 246321), (81, 215911), (213, 82107), (639, 27369), (1917, 9123), (3041, 5751)]