257029119

素因数分解:

$3^5\times {\mathrm{827}}^1\times {\mathrm{1279}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 385781760

約数和(自身を除く): 128752641

約数列:

[1, 3, 9, 27, 81, 243, 827, 1279, 2481, 3837, 7443, 11511, 22329, 34533, 66987, 103599, 200961, 310797, 1057733, 3173199, 9519597, 28558791, 85676373, 257029119]

約数ペア:

[(1, 257029119), (3, 85676373), (9, 28558791), (27, 9519597), (81, 3173199), (243, 1057733), (827, 310797), (1279, 200961), (2481, 103599), (3837, 66987), (7443, 34533), (11511, 22329)]