206987481

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{25301}}^1$

素因数の和:25414

約数の個数: 20

約数和(自身を含む): 312277284

約数和(自身を除く): 105289803

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 8181, 25301, 75903, 227709, 683127, 2049381, 2555401, 7666203, 22998609, 68995827, 206987481]

約数ペア:

[(1, 206987481), (3, 68995827), (9, 22998609), (27, 7666203), (81, 2555401), (101, 2049381), (303, 683127), (909, 227709), (2727, 75903), (8181, 25301)]