16045281

素因数分解:

$3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{991}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 26617344

約数和(自身を除く): 10572063

約数列:

[1, 3, 7, 9, 21, 63, 257, 771, 991, 1799, 2313, 2973, 5397, 6937, 8919, 16191, 20811, 62433, 254687, 764061, 1782809, 2292183, 5348427, 16045281]

約数ペア:

[(1, 16045281), (3, 5348427), (7, 2292183), (9, 1782809), (21, 764061), (63, 254687), (257, 62433), (771, 20811), (991, 16191), (1799, 8919), (2313, 6937), (2973, 5397)]