28489923

素因数分解:

$3^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{839}}^1$

素因数の和:877

約数の個数: 48

約数和(自身を含む): 52416000

約数和(自身を除く): 23926077

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 343, 441, 539, 693, 839, 1029, 1617, 2517, 3087, 3773, 4851, 5873, 7551, 9229, 11319, 17619, 27687, 33957, 41111, 52857, 64603, 83061, 123333, 193809, 287777, 369999, 452221, 581427, 863331, 1356663, 2589993, 3165547, 4069989, 9496641, 28489923]

約数ペア:

[(1, 28489923), (3, 9496641), (7, 4069989), (9, 3165547), (11, 2589993), (21, 1356663), (33, 863331), (49, 581427), (63, 452221), (77, 369999), (99, 287777), (147, 193809), (231, 123333), (343, 83061), (441, 64603), (539, 52857), (693, 41111), (839, 33957), (1029, 27687), (1617, 17619), (2517, 11319), (3087, 9229), (3773, 7551), (4851, 5873)]