81165545

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{911}}^1$

素因数の和:1192

約数の個数: 16

約数和(自身を含む): 99021312

約数和(自身を除く): 17855767

約数列:

[1, 5, 103, 173, 515, 865, 911, 4555, 17819, 89095, 93833, 157603, 469165, 788015, 16233109, 81165545]

約数ペア:

[(1, 81165545), (5, 16233109), (103, 788015), (173, 469165), (515, 157603), (865, 93833), (911, 89095), (4555, 17819)]