17990739

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8093}}^1$

素因数の和:8131

約数の個数: 24

約数和(自身を含む): 29462160

約数和(自身を除く): 11471421

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 8093, 24279, 72837, 105209, 153767, 315627, 461301, 946881, 1383903, 1998971, 5996913, 17990739]

約数ペア:

[(1, 17990739), (3, 5996913), (9, 1998971), (13, 1383903), (19, 946881), (39, 461301), (57, 315627), (117, 153767), (171, 105209), (247, 72837), (741, 24279), (2223, 8093)]