138122691

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{63857}}^1$

素因数の和:63970

約数の個数: 16

約数和(自身を含む): 212519424

約数和(自身を除く): 74396733

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 63857, 191571, 446999, 1340997, 6577271, 19731813, 46040897, 138122691]

約数ペア:

[(1, 138122691), (3, 46040897), (7, 19731813), (21, 6577271), (103, 1340997), (309, 446999), (721, 191571), (2163, 63857)]