25668279

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 48455680

約数和(自身を除く): 22787401

約数列:

[1, 3, 7, 9, 13, 21, 27, 31, 39, 63, 91, 93, 117, 189, 217, 273, 279, 337, 351, 403, 651, 819, 837, 1011, 1209, 1953, 2359, 2457, 2821, 3033, 3627, 4381, 5859, 7077, 8463, 9099, 10447, 10881, 13143, 21231, 25389, 30667, 31341, 39429, 63693, 73129, 76167, 92001, 94023, 118287, 135811, 219387, 276003, 282069, 407433, 658161, 828009, 950677, 1222299, 1974483, 2852031, 3666897, 8556093, 25668279]

約数ペア:

[(1, 25668279), (3, 8556093), (7, 3666897), (9, 2852031), (13, 1974483), (21, 1222299), (27, 950677), (31, 828009), (39, 658161), (63, 407433), (91, 282069), (93, 276003), (117, 219387), (189, 135811), (217, 118287), (273, 94023), (279, 92001), (337, 76167), (351, 73129), (403, 63693), (651, 39429), (819, 31341), (837, 30667), (1011, 25389), (1209, 21231), (1953, 13143), (2359, 10881), (2457, 10447), (2821, 9099), (3033, 8463), (3627, 7077), (4381, 5859)]