79808211

素因数分解:

$3^2\times 7^3\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 136281600

約数和(自身を除く): 56473389

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 251, 309, 343, 441, 721, 753, 927, 1029, 1757, 2163, 2259, 3087, 5047, 5271, 6489, 12299, 15141, 15813, 25853, 35329, 36897, 45423, 77559, 86093, 105987, 110691, 180971, 232677, 258279, 317961, 542913, 774837, 1266797, 1628739, 3800391, 8867579, 11401173, 26602737, 79808211]

約数ペア:

[(1, 79808211), (3, 26602737), (7, 11401173), (9, 8867579), (21, 3800391), (49, 1628739), (63, 1266797), (103, 774837), (147, 542913), (251, 317961), (309, 258279), (343, 232677), (441, 180971), (721, 110691), (753, 105987), (927, 86093), (1029, 77559), (1757, 45423), (2163, 36897), (2259, 35329), (3087, 25853), (5047, 15813), (5271, 15141), (6489, 12299)]