128423571

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^2\times {\mathrm{277}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 180244080

約数和(自身を除く): 51820509

約数列:

[1, 3, 29, 73, 87, 219, 277, 831, 2117, 5329, 6351, 8033, 15987, 20221, 24099, 60663, 154541, 463623, 586409, 1476133, 1759227, 4428399, 42807857, 128423571]

約数ペア:

[(1, 128423571), (3, 42807857), (29, 4428399), (73, 1759227), (87, 1476133), (219, 586409), (277, 463623), (831, 154541), (2117, 60663), (5329, 24099), (6351, 20221), (8033, 15987)]