28983015

素因数分解:

$3^4\times 5^1\times {\mathrm{71563}}^1$

素因数の和:71580

約数の個数: 20

約数和(自身を含む): 51955464

約数和(自身を除く): 22972449

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 71563, 214689, 357815, 644067, 1073445, 1932201, 3220335, 5796603, 9661005, 28983015]

約数ペア:

[(1, 28983015), (3, 9661005), (5, 5796603), (9, 3220335), (15, 1932201), (27, 1073445), (45, 644067), (81, 357815), (135, 214689), (405, 71563)]