2018016441

素因数分解:

$3^2\times 7^2\times {\mathrm{4576001}}^1$

素因数の和:4576021

約数の個数: 18

約数和(自身を含む): 3390817482

約数和(自身を除く): 1372801041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4576001, 13728003, 32032007, 41184009, 96096021, 224224049, 288288063, 672672147, 2018016441]

約数ペア:

[(1, 2018016441), (3, 672672147), (7, 288288063), (9, 224224049), (21, 96096021), (49, 41184009), (63, 32032007), (147, 13728003), (441, 4576001)]