8172423

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1777}}^1$

素因数の和:1863

約数の個数: 24

約数和(自身を含む): 13683488

約数和(自身を除く): 5511065

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 1777, 4599, 5331, 12439, 15993, 37317, 111951, 129721, 389163, 908047, 1167489, 2724141, 8172423]

約数ペア:

[(1, 8172423), (3, 2724141), (7, 1167489), (9, 908047), (21, 389163), (63, 129721), (73, 111951), (219, 37317), (511, 15993), (657, 12439), (1533, 5331), (1777, 4599)]