28217055

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^2\times {\mathrm{353}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 45903888

約数和(自身を除く): 17686833

約数列:

[1, 3, 5, 15, 73, 219, 353, 365, 1059, 1095, 1765, 5295, 5329, 15987, 25769, 26645, 77307, 79935, 128845, 386535, 1881137, 5643411, 9405685, 28217055]

約数ペア:

[(1, 28217055), (3, 9405685), (5, 5643411), (15, 1881137), (73, 386535), (219, 128845), (353, 79935), (365, 77307), (1059, 26645), (1095, 25769), (1765, 15987), (5295, 5329)]