81342021

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{38569}}^1$

素因数の和:38628

約数の個数: 16

約数和(自身を含む): 117252800

約数和(自身を除く): 35910779

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 38569, 115707, 732811, 1427053, 2198433, 4281159, 27114007, 81342021]

約数ペア:

[(1, 81342021), (3, 27114007), (19, 4281159), (37, 2198433), (57, 1427053), (111, 732811), (703, 115707), (2109, 38569)]