208013535

素因数分解:

$3^3\times 5^1\times {\mathrm{1540841}}^1$

素因数の和:1540855

約数の個数: 16

約数和(自身を含む): 369802080

約数和(自身を除く): 161788545

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1540841, 4622523, 7704205, 13867569, 23112615, 41602707, 69337845, 208013535]

約数ペア:

[(1, 208013535), (3, 69337845), (5, 41602707), (9, 23112615), (15, 13867569), (27, 7704205), (45, 4622523), (135, 1540841)]