9021969

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 14993280

約数和(自身を除く): 5971311

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 821, 999, 1221, 2463, 3663, 7389, 9031, 10989, 22167, 27093, 30377, 81279, 91131, 243837, 273393, 334147, 820179, 1002441, 3007323, 9021969]

約数ペア:

[(1, 9021969), (3, 3007323), (9, 1002441), (11, 820179), (27, 334147), (33, 273393), (37, 243837), (99, 91131), (111, 81279), (297, 30377), (333, 27093), (407, 22167), (821, 10989), (999, 9031), (1221, 7389), (2463, 3663)]