38969991

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{13003}}^1$

素因数の和:13052

約数の個数: 20

約数和(自身を含む): 59792392

約数和(自身を除く): 20822401

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 13003, 39009, 117027, 351081, 481111, 1053243, 1443333, 4329999, 12989997, 38969991]

約数ペア:

[(1, 38969991), (3, 12989997), (9, 4329999), (27, 1443333), (37, 1053243), (81, 481111), (111, 351081), (333, 117027), (999, 39009), (2997, 13003)]