87777081

素因数分解:

$3^3\times 7^2\times {\mathrm{66347}}^1$

素因数の和:66370

約数の個数: 24

約数和(自身を含む): 151273440

約数和(自身を除く): 63496359

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 66347, 199041, 464429, 597123, 1393287, 1791369, 3251003, 4179861, 9753009, 12539583, 29259027, 87777081]

約数ペア:

[(1, 87777081), (3, 29259027), (7, 12539583), (9, 9753009), (21, 4179861), (27, 3251003), (49, 1791369), (63, 1393287), (147, 597123), (189, 464429), (441, 199041), (1323, 66347)]