247041543

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 382074880

約数和(自身を除く): 135033337

約数列:

[1, 3, 7, 21, 127, 211, 381, 439, 633, 889, 1317, 1477, 2667, 3073, 4431, 9219, 26797, 55753, 80391, 92629, 167259, 187579, 277887, 390271, 562737, 648403, 1170813, 1945209, 11763883, 35291649, 82347181, 247041543]

約数ペア:

[(1, 247041543), (3, 82347181), (7, 35291649), (21, 11763883), (127, 1945209), (211, 1170813), (381, 648403), (439, 562737), (633, 390271), (889, 277887), (1317, 187579), (1477, 167259), (2667, 92629), (3073, 80391), (4431, 55753), (9219, 26797)]