28493811

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2087}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 43321824

約数和(自身を除く): 14828013

約数列:

[1, 3, 9, 37, 41, 111, 123, 333, 369, 1517, 2087, 4551, 6261, 13653, 18783, 77219, 85567, 231657, 256701, 694971, 770103, 3165979, 9497937, 28493811]

約数ペア:

[(1, 28493811), (3, 9497937), (9, 3165979), (37, 770103), (41, 694971), (111, 256701), (123, 231657), (333, 85567), (369, 77219), (1517, 18783), (2087, 13653), (4551, 6261)]