13870857

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 25804800

約数和(自身を除く): 11933943

約数列:

[1, 3, 7, 11, 13, 21, 31, 33, 39, 77, 91, 93, 143, 149, 217, 231, 273, 341, 403, 429, 447, 651, 1001, 1023, 1043, 1209, 1639, 1937, 2387, 2821, 3003, 3129, 4433, 4619, 4917, 5811, 7161, 8463, 11473, 13299, 13559, 13857, 21307, 31031, 32333, 34419, 40677, 50809, 60047, 63921, 93093, 96999, 149149, 152427, 180141, 355663, 420329, 447447, 660517, 1066989, 1260987, 1981551, 4623619, 13870857]

約数ペア:

[(1, 13870857), (3, 4623619), (7, 1981551), (11, 1260987), (13, 1066989), (21, 660517), (31, 447447), (33, 420329), (39, 355663), (77, 180141), (91, 152427), (93, 149149), (143, 96999), (149, 93093), (217, 63921), (231, 60047), (273, 50809), (341, 40677), (403, 34419), (429, 32333), (447, 31031), (651, 21307), (1001, 13857), (1023, 13559), (1043, 13299), (1209, 11473), (1639, 8463), (1937, 7161), (2387, 5811), (2821, 4917), (3003, 4619), (3129, 4433)]