1379889

素因数分解:

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

素因数の和:179

約数の個数: 32

約数和(自身を含む): 2400000

約数和(自身を除く): 1020111

約数列:

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

約数ペア:

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