85891191

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 128770560

約数和(自身を除く): 42879369

約数列:

[1, 3, 17, 19, 51, 57, 137, 323, 411, 647, 969, 1941, 2329, 2603, 6987, 7809, 10999, 12293, 32997, 36879, 44251, 88639, 132753, 208981, 265917, 626943, 1506863, 1684141, 4520589, 5052423, 28630397, 85891191]

約数ペア:

[(1, 85891191), (3, 28630397), (17, 5052423), (19, 4520589), (51, 1684141), (57, 1506863), (137, 626943), (323, 265917), (411, 208981), (647, 132753), (969, 88639), (1941, 44251), (2329, 36879), (2603, 32997), (6987, 12293), (7809, 10999)]