28987245

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4001}}^1$

素因数の和:4042

約数の個数: 48

約数和(自身を含む): 59933952

約数和(自身を除く): 30946707

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 2415, 4001, 7245, 12003, 20005, 28007, 36009, 60015, 84021, 92023, 140035, 180045, 252063, 276069, 420105, 460115, 644161, 828207, 1260315, 1380345, 1932483, 3220805, 4141035, 5797449, 9662415, 28987245]

約数ペア:

[(1, 28987245), (3, 9662415), (5, 5797449), (7, 4141035), (9, 3220805), (15, 1932483), (21, 1380345), (23, 1260315), (35, 828207), (45, 644161), (63, 460115), (69, 420105), (105, 276069), (115, 252063), (161, 180045), (207, 140035), (315, 92023), (345, 84021), (483, 60015), (805, 36009), (1035, 28007), (1449, 20005), (2415, 12003), (4001, 7245)]