128900805

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{781217}}^1$

素因数の和:781236

約数の個数: 16

約数和(自身を含む): 224990784

約数和(自身を除く): 96089979

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 781217, 2343651, 3906085, 8593387, 11718255, 25780161, 42966935, 128900805]

約数ペア:

[(1, 128900805), (3, 42966935), (5, 25780161), (11, 11718255), (15, 8593387), (33, 3906085), (55, 2343651), (165, 781217)]