28347795

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2903}}^1$

素因数の和:2952

約数の個数: 48

約数和(自身を含む): 57987072

約数和(自身を除く): 29639277

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 2903, 3255, 8709, 9765, 14515, 20321, 26127, 43545, 60963, 89993, 101605, 130635, 182889, 269979, 304815, 449965, 629951, 809937, 914445, 1349895, 1889853, 3149755, 4049685, 5669559, 9449265, 28347795]

約数ペア:

[(1, 28347795), (3, 9449265), (5, 5669559), (7, 4049685), (9, 3149755), (15, 1889853), (21, 1349895), (31, 914445), (35, 809937), (45, 629951), (63, 449965), (93, 304815), (105, 269979), (155, 182889), (217, 130635), (279, 101605), (315, 89993), (465, 60963), (651, 43545), (1085, 26127), (1395, 20321), (1953, 14515), (2903, 9765), (3255, 8709)]