28435869

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1109}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 52640640

約数和(自身を除く): 24204771

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 63, 77, 99, 111, 231, 259, 333, 407, 693, 777, 1109, 1221, 2331, 2849, 3327, 3663, 7763, 8547, 9981, 12199, 23289, 25641, 36597, 41033, 69867, 85393, 109791, 123099, 256179, 287231, 369297, 451363, 768537, 861693, 1354089, 2585079, 3159541, 4062267, 9478623, 28435869]

約数ペア:

[(1, 28435869), (3, 9478623), (7, 4062267), (9, 3159541), (11, 2585079), (21, 1354089), (33, 861693), (37, 768537), (63, 451363), (77, 369297), (99, 287231), (111, 256179), (231, 123099), (259, 109791), (333, 85393), (407, 69867), (693, 41033), (777, 36597), (1109, 25641), (1221, 23289), (2331, 12199), (2849, 9981), (3327, 8547), (3663, 7763)]