16647423

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 25406976

約数和(自身を除く): 8759553

約数列:

[1, 3, 13, 23, 39, 67, 69, 201, 277, 299, 831, 871, 897, 1541, 2613, 3601, 4623, 6371, 10803, 18559, 19113, 20033, 55677, 60099, 82823, 241267, 248469, 426857, 723801, 1280571, 5549141, 16647423]

約数ペア:

[(1, 16647423), (3, 5549141), (13, 1280571), (23, 723801), (39, 426857), (67, 248469), (69, 241267), (201, 82823), (277, 60099), (299, 55677), (831, 20033), (871, 19113), (897, 18559), (1541, 10803), (2613, 6371), (3601, 4623)]