199790787

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 322127520

約数和(自身を除く): 122336733

約数列:

[1, 3, 7, 21, 37, 49, 109, 111, 147, 259, 327, 337, 763, 777, 1011, 1813, 2289, 2359, 4033, 5341, 5439, 7077, 12099, 12469, 16023, 16513, 28231, 36733, 37407, 49539, 84693, 87283, 110199, 197617, 257131, 261849, 592851, 610981, 771393, 1359121, 1799917, 1832943, 4077363, 5399751, 9513847, 28541541, 66596929, 199790787]

約数ペア:

[(1, 199790787), (3, 66596929), (7, 28541541), (21, 9513847), (37, 5399751), (49, 4077363), (109, 1832943), (111, 1799917), (147, 1359121), (259, 771393), (327, 610981), (337, 592851), (763, 261849), (777, 257131), (1011, 197617), (1813, 110199), (2289, 87283), (2359, 84693), (4033, 49539), (5341, 37407), (5439, 36733), (7077, 28231), (12099, 16513), (12469, 16023)]