252072009

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{108139}}^1$

素因数の和:108189

約数の個数: 24

約数和(自身を含む): 427369280

約数和(自身を除く): 175297271

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 108139, 324417, 756973, 973251, 2270919, 4001143, 6812757, 12003429, 28008001, 36010287, 84024003, 252072009]

約数ペア:

[(1, 252072009), (3, 84024003), (7, 36010287), (9, 28008001), (21, 12003429), (37, 6812757), (63, 4001143), (111, 2270919), (259, 973251), (333, 756973), (777, 324417), (2331, 108139)]