205608879

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{69439}}^1$

素因数の和:69499

約数の個数: 24

約数和(自身を含む): 346644480

約数和(自身を除く): 141035601

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 69439, 208317, 486073, 624951, 1458219, 3263633, 4374657, 9790899, 22845431, 29372697, 68536293, 205608879]

約数ペア:

[(1, 205608879), (3, 68536293), (7, 29372697), (9, 22845431), (21, 9790899), (47, 4374657), (63, 3263633), (141, 1458219), (329, 624951), (423, 486073), (987, 208317), (2961, 69439)]