309968397

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{881}}^1$

素因数の和:1130

約数の個数: 32

約数和(自身を含む): 468236160

約数和(自身を除く): 158267763

約数列:

[1, 3, 9, 27, 83, 157, 249, 471, 747, 881, 1413, 2241, 2643, 4239, 7929, 13031, 23787, 39093, 73123, 117279, 138317, 219369, 351837, 414951, 658107, 1244853, 1974321, 3734559, 11480311, 34440933, 103322799, 309968397]

約数ペア:

[(1, 309968397), (3, 103322799), (9, 34440933), (27, 11480311), (83, 3734559), (157, 1974321), (249, 1244853), (471, 658107), (747, 414951), (881, 351837), (1413, 219369), (2241, 138317), (2643, 117279), (4239, 73123), (7929, 39093), (13031, 23787)]