256052421

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{77101}}^1$

素因数の和:77154

約数の個数: 20

約数和(自身を含む): 391832364

約数和(自身を除く): 135779943

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 77101, 231303, 693909, 2081727, 3161141, 6245181, 9483423, 28450269, 85350807, 256052421]

約数ペア:

[(1, 256052421), (3, 85350807), (9, 28450269), (27, 9483423), (41, 6245181), (81, 3161141), (123, 2081727), (369, 693909), (1107, 231303), (3321, 77101)]