280300449

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2411}}^1$

素因数の和:2709

約数の個数: 32

約数和(自身を含む): 440875008

約数和(自身を除く): 160574559

約数列:

[1, 3, 11, 13, 33, 39, 143, 271, 429, 813, 2411, 2981, 3523, 7233, 8943, 10569, 26521, 31343, 38753, 79563, 94029, 116259, 344773, 653381, 1034319, 1960143, 7187191, 8493953, 21561573, 25481859, 93433483, 280300449]

約数ペア:

[(1, 280300449), (3, 93433483), (11, 25481859), (13, 21561573), (33, 8493953), (39, 7187191), (143, 1960143), (271, 1034319), (429, 653381), (813, 344773), (2411, 116259), (2981, 94029), (3523, 79563), (7233, 38753), (8943, 31343), (10569, 26521)]