25577181

素因数分解:

$3^3\times 7^1\times {\mathrm{135329}}^1$

素因数の和:135345

約数の個数: 16

約数和(自身を含む): 43305600

約数和(自身を除く): 17728419

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 135329, 405987, 947303, 1217961, 2841909, 3653883, 8525727, 25577181]

約数ペア:

[(1, 25577181), (3, 8525727), (7, 3653883), (9, 2841909), (21, 1217961), (27, 947303), (63, 405987), (189, 135329)]