212784003

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{70999}}^1$

素因数の和:71048

約数の個数: 20

約数和(自身を含む): 326458000

約数和(自身を除く): 113673997

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 70999, 212997, 638991, 1916973, 2626963, 5750919, 7880889, 23642667, 70928001, 212784003]

約数ペア:

[(1, 212784003), (3, 70928001), (9, 23642667), (27, 7880889), (37, 5750919), (81, 2626963), (111, 1916973), (333, 638991), (999, 212997), (2997, 70999)]