11997279

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6143}}^1$

素因数の和:6187

約数の個数: 24

約数和(自身を含む): 20447232

約数和(自身を除く): 8449953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 6143, 18429, 43001, 55287, 129003, 190433, 387009, 571299, 1333031, 1713897, 3999093, 11997279]

約数ペア:

[(1, 11997279), (3, 3999093), (7, 1713897), (9, 1333031), (21, 571299), (31, 387009), (63, 190433), (93, 129003), (217, 55287), (279, 43001), (651, 18429), (1953, 6143)]