27789223

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:188

約数の個数: 36

約数和(自身を含む): 36692040

約数和(自身を除く): 8902817

約数列:

[1, 7, 11, 43, 49, 77, 109, 121, 301, 473, 539, 763, 847, 1199, 2107, 3311, 4687, 5203, 5341, 5929, 8393, 13189, 23177, 32809, 36421, 51557, 58751, 92323, 229663, 254947, 360899, 567127, 646261, 2526293, 3969889, 27789223]

約数ペア:

[(1, 27789223), (7, 3969889), (11, 2526293), (43, 646261), (49, 567127), (77, 360899), (109, 254947), (121, 229663), (301, 92323), (473, 58751), (539, 51557), (763, 36421), (847, 32809), (1199, 23177), (2107, 13189), (3311, 8393), (4687, 5929), (5203, 5341)]