81304615

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{607}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 115568640

約数和(自身を除く): 34264025

約数列:

[1, 5, 7, 35, 43, 89, 215, 301, 445, 607, 623, 1505, 3035, 3115, 3827, 4249, 19135, 21245, 26101, 26789, 54023, 130505, 133945, 182707, 270115, 378161, 913535, 1890805, 2322989, 11614945, 16260923, 81304615]

約数ペア:

[(1, 81304615), (5, 16260923), (7, 11614945), (35, 2322989), (43, 1890805), (89, 913535), (215, 378161), (301, 270115), (445, 182707), (607, 133945), (623, 130505), (1505, 54023), (3035, 26789), (3115, 26101), (3827, 21245), (4249, 19135)]