200513439

素因数分解:

$3^2\times 7^2\times {\mathrm{454679}}^1$

素因数の和:454699

約数の個数: 18

約数和(自身を含む): 336917880

約数和(自身を除く): 136404441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 454679, 1364037, 3182753, 4092111, 9548259, 22279271, 28644777, 66837813, 200513439]

約数ペア:

[(1, 200513439), (3, 66837813), (7, 28644777), (9, 22279271), (21, 9548259), (49, 4092111), (63, 3182753), (147, 1364037), (441, 454679)]