18238851

素因数分解:

$3^6\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:342

約数の個数: 28

約数和(自身を含む): 27700992

約数和(自身を除く): 9462141

約数列:

[1, 3, 9, 27, 81, 127, 197, 243, 381, 591, 729, 1143, 1773, 3429, 5319, 10287, 15957, 25019, 30861, 47871, 75057, 92583, 143613, 225171, 675513, 2026539, 6079617, 18238851]

約数ペア:

[(1, 18238851), (3, 6079617), (9, 2026539), (27, 675513), (81, 225171), (127, 143613), (197, 92583), (243, 75057), (381, 47871), (591, 30861), (729, 25019), (1143, 15957), (1773, 10287), (3429, 5319)]