39862431

素因数分解:

$3^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 69160000

約数和(自身を除く): 29297569

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 343, 349, 441, 777, 1029, 1047, 1813, 2331, 2443, 3087, 3141, 5439, 7329, 12691, 12913, 16317, 17101, 21987, 38073, 38739, 51303, 90391, 114219, 116217, 119707, 153909, 271173, 359121, 632737, 813519, 1077363, 1898211, 4429159, 5694633, 13287477, 39862431]

約数ペア:

[(1, 39862431), (3, 13287477), (7, 5694633), (9, 4429159), (21, 1898211), (37, 1077363), (49, 813519), (63, 632737), (111, 359121), (147, 271173), (259, 153909), (333, 119707), (343, 116217), (349, 114219), (441, 90391), (777, 51303), (1029, 38739), (1047, 38073), (1813, 21987), (2331, 17101), (2443, 16317), (3087, 12913), (3141, 12691), (5439, 7329)]