18667341

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 36102528

約数和(自身を除く): 17435187

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 41, 63, 73, 77, 81, 99, 123, 189, 219, 231, 287, 297, 369, 451, 511, 567, 657, 693, 803, 861, 891, 1107, 1353, 1533, 1971, 2079, 2409, 2583, 2993, 3157, 3321, 4059, 4599, 5621, 5913, 6237, 7227, 7749, 8979, 9471, 12177, 13797, 16863, 20951, 21681, 23247, 26937, 28413, 32923, 36531, 41391, 50589, 62853, 65043, 80811, 85239, 98769, 151767, 188559, 230461, 242433, 255717, 296307, 455301, 565677, 691383, 888921, 1697031, 2074149, 2666763, 6222447, 18667341]

約数ペア:

[(1, 18667341), (3, 6222447), (7, 2666763), (9, 2074149), (11, 1697031), (21, 888921), (27, 691383), (33, 565677), (41, 455301), (63, 296307), (73, 255717), (77, 242433), (81, 230461), (99, 188559), (123, 151767), (189, 98769), (219, 85239), (231, 80811), (287, 65043), (297, 62853), (369, 50589), (451, 41391), (511, 36531), (567, 32923), (657, 28413), (693, 26937), (803, 23247), (861, 21681), (891, 20951), (1107, 16863), (1353, 13797), (1533, 12177), (1971, 9471), (2079, 8979), (2409, 7749), (2583, 7227), (2993, 6237), (3157, 5913), (3321, 5621), (4059, 4599)]