127841231

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1\times {\mathrm{631}}^1$

素因数の和:1022

約数の個数: 16

約数和(自身を含む): 148282368

約数和(自身を除く): 20441137

約数列:

[1, 7, 103, 281, 631, 721, 1967, 4417, 28943, 64993, 177311, 202601, 454951, 1241177, 18263033, 127841231]

約数ペア:

[(1, 127841231), (7, 18263033), (103, 1241177), (281, 454951), (631, 202601), (721, 177311), (1967, 64993), (4417, 28943)]