55808991

素因数分解:

$3^2\times 7^2\times {\mathrm{126551}}^1$

素因数の和:126571

約数の個数: 18

約数和(自身を含む): 93775032

約数和(自身を除く): 37966041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 126551, 379653, 885857, 1138959, 2657571, 6200999, 7972713, 18602997, 55808991]

約数ペア:

[(1, 55808991), (3, 18602997), (7, 7972713), (9, 6200999), (21, 2657571), (49, 1138959), (63, 885857), (147, 379653), (441, 126551)]