255808539

素因数分解:

$3^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{12809}}^1$

素因数の和:13139

約数の個数: 24

約数和(自身を含む): 423652320

約数和(自身を除く): 167843781

約数列:

[1, 3, 7, 9, 21, 63, 317, 951, 2219, 2853, 6657, 12809, 19971, 38427, 89663, 115281, 268989, 806967, 4060453, 12181359, 28423171, 36544077, 85269513, 255808539]

約数ペア:

[(1, 255808539), (3, 85269513), (7, 36544077), (9, 28423171), (21, 12181359), (63, 4060453), (317, 806967), (951, 268989), (2219, 115281), (2853, 89663), (6657, 38427), (12809, 19971)]