77760081

素因数分解:

$3^4\times 7^1\times {\mathrm{137143}}^1$

素因数の和:137162

約数の個数: 20

約数和(自身を含む): 132755392

約数和(自身を除く): 54995311

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 137143, 411429, 960001, 1234287, 2880003, 3702861, 8640009, 11108583, 25920027, 77760081]

約数ペア:

[(1, 77760081), (3, 25920027), (7, 11108583), (9, 8640009), (21, 3702861), (27, 2880003), (63, 1234287), (81, 960001), (189, 411429), (567, 137143)]