201731067

素因数分解:

$3^9\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:341

約数の個数: 40

約数和(自身を含む): 311891536

約数和(自身を除く): 110160469

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 277, 333, 729, 831, 999, 2187, 2493, 2997, 6561, 7479, 8991, 10249, 19683, 22437, 26973, 30747, 67311, 80919, 92241, 201933, 242757, 276723, 605799, 728271, 830169, 1817397, 2490507, 5452191, 7471521, 22414563, 67243689, 201731067]

約数ペア:

[(1, 201731067), (3, 67243689), (9, 22414563), (27, 7471521), (37, 5452191), (81, 2490507), (111, 1817397), (243, 830169), (277, 728271), (333, 605799), (729, 276723), (831, 242757), (999, 201933), (2187, 92241), (2493, 80919), (2997, 67311), (6561, 30747), (7479, 26973), (8991, 22437), (10249, 19683)]