257968161

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{409}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 426741120

約数和(自身を除く): 168772959

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 277, 409, 759, 831, 1227, 2277, 2493, 3047, 3681, 4499, 6371, 9141, 9407, 13497, 19113, 27423, 28221, 40491, 57339, 70081, 84663, 103477, 113293, 210243, 310431, 339879, 630729, 931293, 1019637, 1246223, 2605739, 3738669, 7817217, 11216007, 23451651, 28663129, 85989387, 257968161]

約数ペア:

[(1, 257968161), (3, 85989387), (9, 28663129), (11, 23451651), (23, 11216007), (33, 7817217), (69, 3738669), (99, 2605739), (207, 1246223), (253, 1019637), (277, 931293), (409, 630729), (759, 339879), (831, 310431), (1227, 210243), (2277, 113293), (2493, 103477), (3047, 84663), (3681, 70081), (4499, 57339), (6371, 40491), (9141, 28221), (9407, 27423), (13497, 19113)]