81990105

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{188483}}^1$

素因数の和:188520

約数の個数: 16

約数和(自身を含む): 135708480

約数和(自身を除く): 53718375

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 188483, 565449, 942415, 2827245, 5466007, 16398021, 27330035, 81990105]

約数ペア:

[(1, 81990105), (3, 27330035), (5, 16398021), (15, 5466007), (29, 2827245), (87, 942415), (145, 565449), (435, 188483)]