28768365

素因数分解:

$3^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{283}}^1$

素因数の和:551

約数の個数: 40

約数和(自身を含む): 51958368

約数和(自身を除く): 23190003

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 251, 283, 405, 753, 849, 1255, 1415, 2259, 2547, 3765, 4245, 6777, 7641, 11295, 12735, 20331, 22923, 33885, 38205, 71033, 101655, 114615, 213099, 355165, 639297, 1065495, 1917891, 3196485, 5753673, 9589455, 28768365]

約数ペア:

[(1, 28768365), (3, 9589455), (5, 5753673), (9, 3196485), (15, 1917891), (27, 1065495), (45, 639297), (81, 355165), (135, 213099), (251, 114615), (283, 101655), (405, 71033), (753, 38205), (849, 33885), (1255, 22923), (1415, 20331), (2259, 12735), (2547, 11295), (3765, 7641), (4245, 6777)]