81074649

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 117573120

約数和(自身を除く): 36498471

約数列:

[1, 3, 17, 51, 83, 107, 179, 249, 321, 537, 1411, 1819, 3043, 4233, 5457, 8881, 9129, 14857, 19153, 26643, 44571, 57459, 150977, 252569, 325601, 452931, 757707, 976803, 1589699, 4769097, 27024883, 81074649]

約数ペア:

[(1, 81074649), (3, 27024883), (17, 4769097), (51, 1589699), (83, 976803), (107, 757707), (179, 452931), (249, 325601), (321, 252569), (537, 150977), (1411, 57459), (1819, 44571), (3043, 26643), (4233, 19153), (5457, 14857), (8881, 9129)]