28728063

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5011}}^1$

素因数の和:5044

約数の個数: 36

約数和(自身を含む): 51994488

約数和(自身を除く): 23266425

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 5011, 5733, 15033, 35077, 45099, 65143, 105231, 195429, 245539, 315693, 456001, 586287, 736617, 1368003, 2209851, 3192007, 4104009, 9576021, 28728063]

約数ペア:

[(1, 28728063), (3, 9576021), (7, 4104009), (9, 3192007), (13, 2209851), (21, 1368003), (39, 736617), (49, 586287), (63, 456001), (91, 315693), (117, 245539), (147, 195429), (273, 105231), (441, 65143), (637, 45099), (819, 35077), (1911, 15033), (5011, 5733)]