28967211

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 52118976

約数和(自身を除く): 23151765

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 113, 117, 273, 313, 339, 791, 819, 939, 1017, 1469, 2191, 2373, 2817, 4069, 4407, 6573, 7119, 10283, 12207, 13221, 19719, 28483, 30849, 35369, 36621, 85449, 92547, 106107, 247583, 256347, 318321, 459797, 742749, 1379391, 2228247, 3218579, 4138173, 9655737, 28967211]

約数ペア:

[(1, 28967211), (3, 9655737), (7, 4138173), (9, 3218579), (13, 2228247), (21, 1379391), (39, 742749), (63, 459797), (91, 318321), (113, 256347), (117, 247583), (273, 106107), (313, 92547), (339, 85449), (791, 36621), (819, 35369), (939, 30849), (1017, 28483), (1469, 19719), (2191, 13221), (2373, 12207), (2817, 10283), (4069, 7119), (4407, 6573)]