16207191

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 32117904

約数和(自身を除く): 15910713

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 49, 63, 77, 91, 99, 117, 143, 147, 231, 257, 273, 429, 441, 539, 637, 693, 771, 819, 1001, 1287, 1617, 1799, 1911, 2313, 2827, 3003, 3341, 4851, 5397, 5733, 7007, 8481, 9009, 10023, 12593, 16191, 19789, 21021, 23387, 25443, 30069, 36751, 37779, 59367, 63063, 70161, 110253, 113337, 138523, 163709, 178101, 210483, 257257, 330759, 415569, 491127, 771771, 1246707, 1473381, 1800799, 2315313, 5402397, 16207191]

約数ペア:

[(1, 16207191), (3, 5402397), (7, 2315313), (9, 1800799), (11, 1473381), (13, 1246707), (21, 771771), (33, 491127), (39, 415569), (49, 330759), (63, 257257), (77, 210483), (91, 178101), (99, 163709), (117, 138523), (143, 113337), (147, 110253), (231, 70161), (257, 63063), (273, 59367), (429, 37779), (441, 36751), (539, 30069), (637, 25443), (693, 23387), (771, 21021), (819, 19789), (1001, 16191), (1287, 12593), (1617, 10023), (1799, 9009), (1911, 8481), (2313, 7007), (2827, 5733), (3003, 5397), (3341, 4851)]