213504165

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{677791}}^1$

素因数の和:677809

約数の個数: 24

約数和(自身を含む): 422942208

約数和(自身を除く): 209438043

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 677791, 2033373, 3388955, 4744537, 6100119, 10166865, 14233611, 23722685, 30500595, 42700833, 71168055, 213504165]

約数ペア:

[(1, 213504165), (3, 71168055), (5, 42700833), (7, 30500595), (9, 23722685), (15, 14233611), (21, 10166865), (35, 6100119), (45, 4744537), (63, 3388955), (105, 2033373), (315, 677791)]