42131457

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{541}}^1$

素因数の和:1073

約数の個数: 24

約数和(自身を含む): 64682280

約数和(自身を除く): 22550823

約数列:

[1, 3, 9, 17, 51, 153, 509, 541, 1527, 1623, 4581, 4869, 8653, 9197, 25959, 27591, 77877, 82773, 275369, 826107, 2478321, 4681273, 14043819, 42131457]

約数ペア:

[(1, 42131457), (3, 14043819), (9, 4681273), (17, 2478321), (51, 826107), (153, 275369), (509, 82773), (541, 77877), (1527, 27591), (1623, 25959), (4581, 9197), (4869, 8653)]