128946249

素因数分解:

$3^6\times {\mathrm{79}}^1\times {\mathrm{2239}}^1$

素因数の和:2336

約数の個数: 28

約数和(自身を含む): 195865600

約数和(自身を除く): 66919351

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 711, 729, 2133, 2239, 6399, 6717, 19197, 20151, 57591, 60453, 176881, 181359, 530643, 544077, 1591929, 1632231, 4775787, 14327361, 42982083, 128946249]

約数ペア:

[(1, 128946249), (3, 42982083), (9, 14327361), (27, 4775787), (79, 1632231), (81, 1591929), (237, 544077), (243, 530643), (711, 181359), (729, 176881), (2133, 60453), (2239, 57591), (6399, 20151), (6717, 19197)]