66138285

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{31721}}^1$

素因数の和:31868

約数の個数: 16

約数和(自身を含む): 106585920

約数和(自身を除く): 40447635

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 31721, 95163, 158605, 475815, 4409219, 13227657, 22046095, 66138285]

約数ペア:

[(1, 66138285), (3, 22046095), (5, 13227657), (15, 4409219), (139, 475815), (417, 158605), (695, 95163), (2085, 31721)]