28661643

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 46309536

約数和(自身を除く): 17647893

約数列:

[1, 3, 9, 17, 37, 51, 61, 83, 111, 153, 183, 249, 333, 549, 629, 747, 1037, 1411, 1887, 2257, 3071, 3111, 4233, 5063, 5661, 6771, 9213, 9333, 12699, 15189, 20313, 27639, 38369, 45567, 52207, 86071, 115107, 156621, 187331, 258213, 345321, 469863, 561993, 774639, 1685979, 3184627, 9553881, 28661643]

約数ペア:

[(1, 28661643), (3, 9553881), (9, 3184627), (17, 1685979), (37, 774639), (51, 561993), (61, 469863), (83, 345321), (111, 258213), (153, 187331), (183, 156621), (249, 115107), (333, 86071), (549, 52207), (629, 45567), (747, 38369), (1037, 27639), (1411, 20313), (1887, 15189), (2257, 12699), (3071, 9333), (3111, 9213), (4233, 6771), (5063, 5661)]