9090081

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1009}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 17646720

約数和(自身を除く): 8556639

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1009, 1287, 3003, 3027, 7063, 9009, 9081, 11099, 13117, 21189, 33297, 39351, 63567, 77693, 91819, 99891, 118053, 144287, 233079, 275457, 432861, 699237, 826371, 1010009, 1298583, 3030027, 9090081]

約数ペア:

[(1, 9090081), (3, 3030027), (7, 1298583), (9, 1010009), (11, 826371), (13, 699237), (21, 432861), (33, 275457), (39, 233079), (63, 144287), (77, 118053), (91, 99891), (99, 91819), (117, 77693), (143, 63567), (231, 39351), (273, 33297), (429, 21189), (693, 13117), (819, 11099), (1001, 9081), (1009, 9009), (1287, 7063), (3003, 3027)]