207931451

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{727}}^1$

素因数の和:1203

約数の個数: 24

約数和(自身を含む): 261424800

約数和(自身を除く): 53493349

約数列:

[1, 7, 13, 49, 91, 449, 637, 727, 3143, 5089, 5837, 9451, 22001, 35623, 40859, 66157, 286013, 326423, 463099, 2284961, 4243499, 15994727, 29704493, 207931451]

約数ペア:

[(1, 207931451), (7, 29704493), (13, 15994727), (49, 4243499), (91, 2284961), (449, 463099), (637, 326423), (727, 286013), (3143, 66157), (5089, 40859), (5837, 35623), (9451, 22001)]