12604221

素因数分解:

$3^3\times 7^3\times {\mathrm{1361}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 21792000

約数和(自身を除く): 9187779

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 1361, 3087, 4083, 9261, 9527, 12249, 28581, 36747, 66689, 85743, 200067, 257229, 466823, 600201, 1400469, 1800603, 4201407, 12604221]

約数ペア:

[(1, 12604221), (3, 4201407), (7, 1800603), (9, 1400469), (21, 600201), (27, 466823), (49, 257229), (63, 200067), (147, 85743), (189, 66689), (343, 36747), (441, 28581), (1029, 12249), (1323, 9527), (1361, 9261), (3087, 4083)]