26847639

素因数分解:

$3^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 50176000

約数和(自身を除く): 23328361

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 223, 273, 343, 351, 441, 637, 669, 819, 1029, 1323, 1561, 1911, 2007, 2457, 2899, 3087, 4459, 4683, 5733, 6021, 8697, 9261, 10927, 13377, 14049, 17199, 20293, 26091, 32781, 40131, 42147, 60879, 76489, 78273, 98343, 120393, 142051, 182637, 229467, 295029, 426153, 547911, 688401, 994357, 1278459, 2065203, 2983071, 3835377, 8949213, 26847639]

約数ペア:

[(1, 26847639), (3, 8949213), (7, 3835377), (9, 2983071), (13, 2065203), (21, 1278459), (27, 994357), (39, 688401), (49, 547911), (63, 426153), (91, 295029), (117, 229467), (147, 182637), (189, 142051), (223, 120393), (273, 98343), (343, 78273), (351, 76489), (441, 60879), (637, 42147), (669, 40131), (819, 32781), (1029, 26091), (1323, 20293), (1561, 17199), (1911, 14049), (2007, 13377), (2457, 10927), (2899, 9261), (3087, 8697), (4459, 6021), (4683, 5733)]