51821315

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{8761}}^1$

素因数の和:8799

約数の個数: 24

約数和(自身を含む): 76965408

約数和(自身を除く): 25144093

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 5915, 8761, 43805, 61327, 113893, 306635, 569465, 797251, 1480609, 3986255, 7403045, 10364263, 51821315]

約数ペア:

[(1, 51821315), (5, 10364263), (7, 7403045), (13, 3986255), (35, 1480609), (65, 797251), (91, 569465), (169, 306635), (455, 113893), (845, 61327), (1183, 43805), (5915, 8761)]