55685511

素因数分解:

$3^2\times 7^2\times {\mathrm{126271}}^1$

素因数の和:126291

約数の個数: 18

約数和(自身を含む): 93567552

約数和(自身を除く): 37882041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 126271, 378813, 883897, 1136439, 2651691, 6187279, 7955073, 18561837, 55685511]

約数ペア:

[(1, 55685511), (3, 18561837), (7, 7955073), (9, 6187279), (21, 2651691), (49, 1136439), (63, 883897), (147, 378813), (441, 126271)]