28053729

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 47326720

約数和(自身を除く): 19272991

約数列:

[1, 3, 9, 11, 27, 31, 33, 93, 99, 121, 277, 279, 297, 341, 363, 831, 837, 1023, 1089, 2493, 3047, 3069, 3267, 3751, 7479, 8587, 9141, 9207, 11253, 25761, 27423, 33517, 33759, 77283, 82269, 94457, 100551, 101277, 231849, 283371, 301653, 850113, 904959, 1039027, 2550339, 3117081, 9351243, 28053729]

約数ペア:

[(1, 28053729), (3, 9351243), (9, 3117081), (11, 2550339), (27, 1039027), (31, 904959), (33, 850113), (93, 301653), (99, 283371), (121, 231849), (277, 101277), (279, 100551), (297, 94457), (341, 82269), (363, 77283), (831, 33759), (837, 33517), (1023, 27423), (1089, 25761), (2493, 11253), (3047, 9207), (3069, 9141), (3267, 8587), (3751, 7479)]