11281221

素因数分解:

$3^3\times 7^2\times {\mathrm{8527}}^1$

素因数の和:8550

約数の個数: 24

約数和(自身を含む): 19443840

約数和(自身を除く): 8162619

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 8527, 25581, 59689, 76743, 179067, 230229, 417823, 537201, 1253469, 1611603, 3760407, 11281221]

約数ペア:

[(1, 11281221), (3, 3760407), (7, 1611603), (9, 1253469), (21, 537201), (27, 417823), (49, 230229), (63, 179067), (147, 76743), (189, 59689), (441, 25581), (1323, 8527)]