12807729

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:666

約数の個数: 36

約数和(自身を含む): 21439600

約数和(自身を除く): 8631871

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 121, 171, 209, 363, 619, 627, 1089, 1857, 1881, 2299, 5571, 6809, 6897, 11761, 20427, 20691, 35283, 61281, 74899, 105849, 129371, 224697, 388113, 674091, 1164339, 1423081, 4269243, 12807729]

約数ペア:

[(1, 12807729), (3, 4269243), (9, 1423081), (11, 1164339), (19, 674091), (33, 388113), (57, 224697), (99, 129371), (121, 105849), (171, 74899), (209, 61281), (363, 35283), (619, 20691), (627, 20427), (1089, 11761), (1857, 6897), (1881, 6809), (2299, 5571)]