9720571

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:283

約数の個数: 24

約数和(自身を含む): 12188880

約数和(自身を除く): 2468309

約数列:

[1, 7, 19, 49, 53, 133, 197, 371, 931, 1007, 1379, 2597, 3743, 7049, 9653, 10441, 26201, 49343, 73087, 183407, 198379, 511609, 1388653, 9720571]

約数ペア:

[(1, 9720571), (7, 1388653), (19, 511609), (49, 198379), (53, 183407), (133, 73087), (197, 49343), (371, 26201), (931, 10441), (1007, 9653), (1379, 7049), (2597, 3743)]