51281615

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12109}}^1$

素因数の和:12143

約数の個数: 24

約数和(自身を含む): 77310240

約数和(自身を除く): 26028625

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 12109, 60545, 84763, 133199, 423815, 665995, 932393, 1465189, 4661965, 7325945, 10256323, 51281615]

約数ペア:

[(1, 51281615), (5, 10256323), (7, 7325945), (11, 4661965), (35, 1465189), (55, 932393), (77, 665995), (121, 423815), (385, 133199), (605, 84763), (847, 60545), (4235, 12109)]