4139667

素因数分解:

$3^4\times 7^3\times {\mathrm{149}}^1$

素因数の和:182

約数の個数: 40

約数和(自身を含む): 7260000

約数和(自身を除く): 3120333

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 149, 189, 343, 441, 447, 567, 1029, 1043, 1323, 1341, 3087, 3129, 3969, 4023, 7301, 9261, 9387, 12069, 21903, 27783, 28161, 51107, 65709, 84483, 153321, 197127, 459963, 591381, 1379889, 4139667]

約数ペア:

[(1, 4139667), (3, 1379889), (7, 591381), (9, 459963), (21, 197127), (27, 153321), (49, 84483), (63, 65709), (81, 51107), (147, 28161), (149, 27783), (189, 21903), (343, 12069), (441, 9387), (447, 9261), (567, 7301), (1029, 4023), (1043, 3969), (1323, 3129), (1341, 3087)]