40205781

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 75479040

約数和(自身を除く): 35273259

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 83, 99, 189, 231, 233, 249, 297, 581, 693, 699, 747, 913, 1631, 1743, 2079, 2097, 2241, 2563, 2739, 4893, 5229, 6291, 6391, 7689, 8217, 14679, 15687, 17941, 19173, 19339, 23067, 24651, 44037, 53823, 57519, 58017, 69201, 135373, 161469, 172557, 174051, 212729, 406119, 484407, 522153, 638187, 1218357, 1489103, 1914561, 3655071, 4467309, 5743683, 13401927, 40205781]

約数ペア:

[(1, 40205781), (3, 13401927), (7, 5743683), (9, 4467309), (11, 3655071), (21, 1914561), (27, 1489103), (33, 1218357), (63, 638187), (77, 522153), (83, 484407), (99, 406119), (189, 212729), (231, 174051), (233, 172557), (249, 161469), (297, 135373), (581, 69201), (693, 58017), (699, 57519), (747, 53823), (913, 44037), (1631, 24651), (1743, 23067), (2079, 19339), (2097, 19173), (2241, 17941), (2563, 15687), (2739, 14679), (4893, 8217), (5229, 7689), (6291, 6391)]