54243

素因数分解:

$3^3\times 7^2\times {\mathrm{41}}^1$

素因数の和:64

約数の個数: 24

約数和(自身を含む): 95760

約数和(自身を除く): 41517

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 123, 147, 189, 287, 369, 441, 861, 1107, 1323, 2009, 2583, 6027, 7749, 18081, 54243]

約数ペア:

[(1, 54243), (3, 18081), (7, 7749), (9, 6027), (21, 2583), (27, 2009), (41, 1323), (49, 1107), (63, 861), (123, 441), (147, 369), (189, 287)]