149736681

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{7193}}^1$

素因数の和:7462

約数の個数: 20

約数和(自身を含む): 224582292

約数和(自身を除く): 74845611

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 6939, 7193, 20817, 21579, 64737, 194211, 582633, 1848601, 5545803, 16637409, 49912227, 149736681]

約数ペア:

[(1, 149736681), (3, 49912227), (9, 16637409), (27, 5545803), (81, 1848601), (257, 582633), (771, 194211), (2313, 64737), (6939, 21579), (7193, 20817)]