12986001

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:675

約数の個数: 40

約数和(自身を含む): 22806080

約数和(自身を除く): 9820079

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 619, 777, 999, 1857, 2331, 2997, 4333, 5571, 6993, 12999, 16713, 20979, 22903, 38997, 50139, 68709, 116991, 160321, 206127, 350973, 480963, 618381, 1442889, 1855143, 4328667, 12986001]

約数ペア:

[(1, 12986001), (3, 4328667), (7, 1855143), (9, 1442889), (21, 618381), (27, 480963), (37, 350973), (63, 206127), (81, 160321), (111, 116991), (189, 68709), (259, 50139), (333, 38997), (567, 22903), (619, 20979), (777, 16713), (999, 12999), (1857, 6993), (2331, 5571), (2997, 4333)]