208291215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{114761}}^1$

素因数の和:114791

約数の個数: 24

約数和(自身を含む): 366320304

約数和(自身を除く): 158029089

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 114761, 344283, 573805, 1262371, 1721415, 3787113, 6311855, 13886081, 18935565, 41658243, 69430405, 208291215]

約数ペア:

[(1, 208291215), (3, 69430405), (5, 41658243), (11, 18935565), (15, 13886081), (33, 6311855), (55, 3787113), (121, 1721415), (165, 1262371), (363, 573805), (605, 344283), (1815, 114761)]