1280176803

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 1971540480

約数和(自身を除く): 691363677

約数列:

[1, 3, 9, 23, 69, 97, 103, 207, 291, 309, 619, 873, 927, 1857, 2231, 2369, 5571, 6693, 7107, 9991, 14237, 20079, 21321, 29973, 42711, 60043, 63757, 89919, 128133, 180129, 191271, 229793, 540387, 573813, 689379, 1380989, 1466411, 2068137, 4142967, 4399233, 6184429, 12428901, 13197699, 18553287, 55659861, 142241867, 426725601, 1280176803]

約数ペア:

[(1, 1280176803), (3, 426725601), (9, 142241867), (23, 55659861), (69, 18553287), (97, 13197699), (103, 12428901), (207, 6184429), (291, 4399233), (309, 4142967), (619, 2068137), (873, 1466411), (927, 1380989), (1857, 689379), (2231, 573813), (2369, 540387), (5571, 229793), (6693, 191271), (7107, 180129), (9991, 128133), (14237, 89919), (20079, 63757), (21321, 60043), (29973, 42711)]