12989997

素因数分解:

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

素因数の和:13049

約数の個数: 16

約数和(自身を含む): 19766080

約数和(自身を除く): 6776083

約数列:

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

約数ペア:

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