27821745

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 57600000

約数和(自身を除く): 29778255

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 59, 63, 105, 135, 177, 189, 295, 315, 413, 499, 531, 885, 945, 1239, 1497, 1593, 2065, 2495, 2655, 3493, 3717, 4491, 6195, 7485, 7965, 10479, 11151, 13473, 17465, 18585, 22455, 29441, 31437, 52395, 55755, 67365, 88323, 94311, 147205, 157185, 206087, 264969, 441615, 471555, 618261, 794907, 1030435, 1324845, 1854783, 3091305, 3974535, 5564349, 9273915, 27821745]

約数ペア:

[(1, 27821745), (3, 9273915), (5, 5564349), (7, 3974535), (9, 3091305), (15, 1854783), (21, 1324845), (27, 1030435), (35, 794907), (45, 618261), (59, 471555), (63, 441615), (105, 264969), (135, 206087), (177, 157185), (189, 147205), (295, 94311), (315, 88323), (413, 67365), (499, 55755), (531, 52395), (885, 31437), (945, 29441), (1239, 22455), (1497, 18585), (1593, 17465), (2065, 13473), (2495, 11151), (2655, 10479), (3493, 7965), (3717, 7485), (4491, 6195)]