256468131

素因数分解:

$3^2\times {\mathrm{181}}^1\times {\mathrm{313}}^1\times {\mathrm{503}}^1$

素因数の和:1003

約数の個数: 24

約数和(自身を含む): 374433696

約数和(自身を除く): 117965565

約数列:

[1, 3, 9, 181, 313, 503, 543, 939, 1509, 1629, 2817, 4527, 56653, 91043, 157439, 169959, 273129, 472317, 509877, 819387, 1416951, 28496459, 85489377, 256468131]

約数ペア:

[(1, 256468131), (3, 85489377), (9, 28496459), (181, 1416951), (313, 819387), (503, 509877), (543, 472317), (939, 273129), (1509, 169959), (1629, 157439), (2817, 91043), (4527, 56653)]