280986849

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2003}}^1$

素因数の和:2142

約数の個数: 48

約数和(自身を含む): 481440960

約数和(自身を除く): 200454111

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 109, 117, 143, 327, 429, 981, 1199, 1287, 1417, 2003, 3597, 4251, 6009, 10791, 12753, 15587, 18027, 22033, 26039, 46761, 66099, 78117, 140283, 198297, 218327, 234351, 286429, 654981, 859287, 1964943, 2401597, 2577861, 2838251, 7204791, 8514753, 21614373, 25544259, 31220761, 93662283, 280986849]

約数ペア:

[(1, 280986849), (3, 93662283), (9, 31220761), (11, 25544259), (13, 21614373), (33, 8514753), (39, 7204791), (99, 2838251), (109, 2577861), (117, 2401597), (143, 1964943), (327, 859287), (429, 654981), (981, 286429), (1199, 234351), (1287, 218327), (1417, 198297), (2003, 140283), (3597, 78117), (4251, 66099), (6009, 46761), (10791, 26039), (12753, 22033), (15587, 18027)]