689142639

素因数分解:

$3^1\times {\mathrm{43}}^2\times {\mathrm{283}}^1\times {\mathrm{439}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 946197120

約数和(自身を除く): 257054481

約数列:

[1, 3, 43, 129, 283, 439, 849, 1317, 1849, 5547, 12169, 18877, 36507, 56631, 124237, 372711, 523267, 811711, 1569801, 2435133, 5342191, 16026573, 229714213, 689142639]

約数ペア:

[(1, 689142639), (3, 229714213), (43, 16026573), (129, 5342191), (283, 2435133), (439, 1569801), (849, 811711), (1317, 523267), (1849, 372711), (5547, 124237), (12169, 56631), (18877, 36507)]