42178779

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{42221}}^1$

素因数の和:42267

約数の個数: 16

約数和(自身を含む): 64177440

約数和(自身を除く): 21998661

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 42221, 126663, 379989, 1139967, 1562177, 4686531, 14059593, 42178779]

約数ペア:

[(1, 42178779), (3, 14059593), (9, 4686531), (27, 1562177), (37, 1139967), (111, 379989), (333, 126663), (999, 42221)]