81775809

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{5711}}^1$

素因数の和:5797

約数の個数: 24

約数和(自身を含む): 124156032

約数和(自身を除く): 42380223

約数列:

[1, 3, 9, 37, 43, 111, 129, 333, 387, 1591, 4773, 5711, 14319, 17133, 51399, 211307, 245573, 633921, 736719, 1901763, 2210157, 9086201, 27258603, 81775809]

約数ペア:

[(1, 81775809), (3, 27258603), (9, 9086201), (37, 2210157), (43, 1901763), (111, 736719), (129, 633921), (333, 245573), (387, 211307), (1591, 51399), (4773, 17133), (5711, 14319)]