42049287

素因数分解:

$3^4\times 7^1\times {\mathrm{74161}}^1$

素因数の和:74180

約数の個数: 20

約数和(自身を含む): 71788816

約数和(自身を除く): 29739529

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 74161, 222483, 519127, 667449, 1557381, 2002347, 4672143, 6007041, 14016429, 42049287]

約数ペア:

[(1, 42049287), (3, 14016429), (7, 6007041), (9, 4672143), (21, 2002347), (27, 1557381), (63, 667449), (81, 519127), (189, 222483), (567, 74161)]