209932149

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{2801}}^1$

素因数の和:2937

約数の個数: 32

約数和(自身を含む): 331398144

約数和(自身を除く): 121465995

約数列:

[1, 3, 7, 21, 43, 83, 129, 249, 301, 581, 903, 1743, 2801, 3569, 8403, 10707, 19607, 24983, 58821, 74949, 120443, 232483, 361329, 697449, 843101, 1627381, 2529303, 4882143, 9996769, 29990307, 69977383, 209932149]

約数ペア:

[(1, 209932149), (3, 69977383), (7, 29990307), (21, 9996769), (43, 4882143), (83, 2529303), (129, 1627381), (249, 843101), (301, 697449), (581, 361329), (903, 232483), (1743, 120443), (2801, 74949), (3569, 58821), (8403, 24983), (10707, 19607)]