28047453

素因数分解:

$3^1\times 7^3\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 44217600

約数和(自身を除く): 16170147

約数列:

[1, 3, 7, 21, 49, 97, 147, 281, 291, 343, 679, 843, 1029, 1967, 2037, 4753, 5901, 13769, 14259, 27257, 33271, 41307, 81771, 96383, 99813, 190799, 289149, 572397, 1335593, 4006779, 9349151, 28047453]

約数ペア:

[(1, 28047453), (3, 9349151), (7, 4006779), (21, 1335593), (49, 572397), (97, 289149), (147, 190799), (281, 99813), (291, 96383), (343, 81771), (679, 41307), (843, 33271), (1029, 27257), (1967, 14259), (2037, 13769), (4753, 5901)]