199809549

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{6653}}^1$

素因数の和:6777

約数の個数: 24

約数和(自身を含む): 298950912

約数和(自身を除く): 99141363

約数列:

[1, 3, 9, 47, 71, 141, 213, 423, 639, 3337, 6653, 10011, 19959, 30033, 59877, 312691, 472363, 938073, 1417089, 2814219, 4251267, 22201061, 66603183, 199809549]

約数ペア:

[(1, 199809549), (3, 66603183), (9, 22201061), (47, 4251267), (71, 2814219), (141, 1417089), (213, 938073), (423, 472363), (639, 312691), (3337, 59877), (6653, 30033), (10011, 19959)]