12861915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{77951}}^1$

素因数の和:77970

約数の個数: 16

約数和(自身を含む): 22450176

約数和(自身を除く): 9588261

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 77951, 233853, 389755, 857461, 1169265, 2572383, 4287305, 12861915]

約数ペア:

[(1, 12861915), (3, 4287305), (5, 2572383), (11, 1169265), (15, 857461), (33, 389755), (55, 233853), (165, 77951)]