200839779

素因数分解:

$3^2\times 7^2\times {\mathrm{455419}}^1$

素因数の和:455439

約数の個数: 18

約数和(自身を含む): 337466220

約数和(自身を除く): 136626441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 455419, 1366257, 3187933, 4098771, 9563799, 22315531, 28691397, 66946593, 200839779]

約数ペア:

[(1, 200839779), (3, 66946593), (7, 28691397), (9, 22315531), (21, 9563799), (49, 4098771), (63, 3187933), (147, 1366257), (441, 455419)]