15187581

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{1933}}^1$

素因数の和:2042

約数の個数: 20

約数和(自身を含む): 22933372

約数和(自身を除く): 7745791

約数列:

[1, 3, 9, 27, 81, 97, 291, 873, 1933, 2619, 5799, 7857, 17397, 52191, 156573, 187501, 562503, 1687509, 5062527, 15187581]

約数ペア:

[(1, 15187581), (3, 5062527), (9, 1687509), (27, 562503), (81, 187501), (97, 156573), (291, 52191), (873, 17397), (1933, 7857), (2619, 5799)]