28520205

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{38803}}^1$

素因数の和:38825

約数の個数: 24

約数和(自身を含む): 53083872

約数和(自身を除く): 24563667

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 38803, 116409, 194015, 271621, 582045, 814863, 1358105, 1901347, 4074315, 5704041, 9506735, 28520205]

約数ペア:

[(1, 28520205), (3, 9506735), (5, 5704041), (7, 4074315), (15, 1901347), (21, 1358105), (35, 814863), (49, 582045), (105, 271621), (147, 194015), (245, 116409), (735, 38803)]