218453067

素因数分解:

$3^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{3499}}^1$

素因数の和:4503

約数の個数: 24

約数和(自身を含む): 361088000

約数和(自身を除く): 142634933

約数列:

[1, 3, 7, 9, 21, 63, 991, 2973, 3499, 6937, 8919, 10497, 20811, 24493, 31491, 62433, 73479, 220437, 3467509, 10402527, 24272563, 31207581, 72817689, 218453067]

約数ペア:

[(1, 218453067), (3, 72817689), (7, 31207581), (9, 24272563), (21, 10402527), (63, 3467509), (991, 220437), (2973, 73479), (3499, 62433), (6937, 31491), (8919, 24493), (10497, 20811)]