16778139

素因数分解:

$3^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{367}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 26178048

約数和(自身を除く): 9399909

約数列:

[1, 3, 7, 21, 49, 147, 311, 367, 933, 1101, 2177, 2569, 6531, 7707, 15239, 17983, 45717, 53949, 114137, 342411, 798959, 2396877, 5592713, 16778139]

約数ペア:

[(1, 16778139), (3, 5592713), (7, 2396877), (21, 798959), (49, 342411), (147, 114137), (311, 53949), (367, 45717), (933, 17983), (1101, 15239), (2177, 7707), (2569, 6531)]