28773765

素因数分解:

$3^3\times 5^1\times {\mathrm{213139}}^1$

素因数の和:213153

約数の個数: 16

約数和(自身を含む): 51153600

約数和(自身を除く): 22379835

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 213139, 639417, 1065695, 1918251, 3197085, 5754753, 9591255, 28773765]

約数ペア:

[(1, 28773765), (3, 9591255), (5, 5754753), (9, 3197085), (15, 1918251), (27, 1065695), (45, 639417), (135, 213139)]