81838335

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{39251}}^1$

素因数の和:39398

約数の個数: 16

約数和(自身を含む): 131886720

約数和(自身を除く): 50048385

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 39251, 117753, 196255, 588765, 5455889, 16367667, 27279445, 81838335]

約数ペア:

[(1, 81838335), (3, 27279445), (5, 16367667), (15, 5455889), (139, 588765), (417, 196255), (695, 117753), (2085, 39251)]