16788429

素因数分解:

$3^2\times 7^2\times {\mathrm{38069}}^1$

素因数の和:38089

約数の個数: 18

約数和(自身を含む): 28209870

約数和(自身を除く): 11421441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 38069, 114207, 266483, 342621, 799449, 1865381, 2398347, 5596143, 16788429]

約数ペア:

[(1, 16788429), (3, 5596143), (7, 2398347), (9, 1865381), (21, 799449), (49, 342621), (63, 266483), (147, 114207), (441, 38069)]