81969555

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{65839}}^1$

素因数の和:65930

約数の個数: 16

約数和(自身を含む): 132733440

約数和(自身を除く): 50763885

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 65839, 197517, 329195, 987585, 5464637, 16393911, 27323185, 81969555]

約数ペア:

[(1, 81969555), (3, 27323185), (5, 16393911), (15, 5464637), (83, 987585), (249, 329195), (415, 197517), (1245, 65839)]