2157813

素因数分解:

$3^3\times 7^3\times {\mathrm{233}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 3744000

約数和(自身を除く): 1586187

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 233, 343, 441, 699, 1029, 1323, 1631, 2097, 3087, 4893, 6291, 9261, 11417, 14679, 34251, 44037, 79919, 102753, 239757, 308259, 719271, 2157813]

約数ペア:

[(1, 2157813), (3, 719271), (7, 308259), (9, 239757), (21, 102753), (27, 79919), (49, 44037), (63, 34251), (147, 14679), (189, 11417), (233, 9261), (343, 6291), (441, 4893), (699, 3087), (1029, 2097), (1323, 1631)]