28171689021

素因数分解:

$3^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{503003}}^1$

素因数の和:503150

約数の個数: 36

約数和(自身を含む): 47708923392

約数和(自身を除く): 19537234371

約数列:

[1, 3, 7, 9, 21, 49, 63, 127, 147, 381, 441, 889, 1143, 2667, 6223, 8001, 18669, 56007, 503003, 1509009, 3521021, 4527027, 10563063, 24647147, 31689189, 63881381, 73941441, 191644143, 221824323, 447169667, 574932429, 1341509001, 3130187669, 4024527003, 9390563007, 28171689021]

約数ペア:

[(1, 28171689021), (3, 9390563007), (7, 4024527003), (9, 3130187669), (21, 1341509001), (49, 574932429), (63, 447169667), (127, 221824323), (147, 191644143), (381, 73941441), (441, 63881381), (889, 31689189), (1143, 24647147), (2667, 10563063), (6223, 4527027), (8001, 3521021), (18669, 1509009), (56007, 503003)]