16390899

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1723}}^1$

素因数の和:1887

約数の個数: 24

約数和(自身を含む): 27252992

約数和(自身を除く): 10862093

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 1057, 1359, 1723, 3171, 5169, 9513, 12061, 15507, 36183, 108549, 260173, 780519, 1821211, 2341557, 5463633, 16390899]

約数ペア:

[(1, 16390899), (3, 5463633), (7, 2341557), (9, 1821211), (21, 780519), (63, 260173), (151, 108549), (453, 36183), (1057, 15507), (1359, 12061), (1723, 9513), (3171, 5169)]