28123641

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1493}}^1$

素因数の和:1542

約数の個数: 48

約数和(自身を含む): 52206336

約数和(自身を除く): 24082695

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 207, 273, 299, 483, 819, 897, 1449, 1493, 2093, 2691, 4479, 6279, 10451, 13437, 18837, 19409, 31353, 34339, 58227, 94059, 103017, 135863, 174681, 240373, 309051, 407589, 446407, 721119, 1222767, 1339221, 2163357, 3124849, 4017663, 9374547, 28123641]

約数ペア:

[(1, 28123641), (3, 9374547), (7, 4017663), (9, 3124849), (13, 2163357), (21, 1339221), (23, 1222767), (39, 721119), (63, 446407), (69, 407589), (91, 309051), (117, 240373), (161, 174681), (207, 135863), (273, 103017), (299, 94059), (483, 58227), (819, 34339), (897, 31353), (1449, 19409), (1493, 18837), (2093, 13437), (2691, 10451), (4479, 6279)]