66261765

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{33721}}^1$

素因数の和:33860

約数の個数: 16

約数和(自身を含む): 106831296

約数和(自身を除く): 40569531

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 33721, 101163, 168605, 505815, 4417451, 13252353, 22087255, 66261765]

約数ペア:

[(1, 66261765), (3, 22087255), (5, 13252353), (15, 4417451), (131, 505815), (393, 168605), (655, 101163), (1965, 33721)]