28644903

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{2003}}^1$

素因数の和:2243

約数の個数: 24

約数和(自身を含む): 47518848

約数和(自身を除く): 18873945

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 1589, 2003, 2043, 4767, 6009, 14021, 14301, 18027, 42063, 126189, 454681, 1364043, 3182767, 4092129, 9548301, 28644903]

約数ペア:

[(1, 28644903), (3, 9548301), (7, 4092129), (9, 3182767), (21, 1364043), (63, 454681), (227, 126189), (681, 42063), (1589, 18027), (2003, 14301), (2043, 14021), (4767, 6009)]