5132421

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1987}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 8683584

約数和(自身を除く): 3551163

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 1987, 2583, 5961, 13909, 17883, 41727, 81467, 125181, 244401, 570269, 733203, 1710807, 5132421]

約数ペア:

[(1, 5132421), (3, 1710807), (7, 733203), (9, 570269), (21, 244401), (41, 125181), (63, 81467), (123, 41727), (287, 17883), (369, 13909), (861, 5961), (1987, 2583)]