256149780489

素因数分解:

$3^6\times {\mathrm{1399}}^1\times {\mathrm{251159}}^1$

素因数の和:252576

約数の個数: 28

約数和(自身を含む): 384325032000

約数和(自身を除く): 128175251511

約数列:

[1, 3, 9, 27, 81, 243, 729, 1399, 4197, 12591, 37773, 113319, 251159, 339957, 753477, 1019871, 2260431, 6781293, 20343879, 61031637, 183094911, 351371441, 1054114323, 3162342969, 9487028907, 28461086721, 85383260163, 256149780489]

約数ペア:

[(1, 256149780489), (3, 85383260163), (9, 28461086721), (27, 9487028907), (81, 3162342969), (243, 1054114323), (729, 351371441), (1399, 183094911), (4197, 61031637), (12591, 20343879), (37773, 6781293), (113319, 2260431), (251159, 1019871), (339957, 753477)]