51256737

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{42821}}^1$

素因数の和:42853

約数の個数: 24

約数和(自身を含む): 89069760

約数和(自身を除く): 37813023

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 42821, 128463, 299747, 385389, 813599, 899241, 2440797, 2697723, 5695193, 7322391, 17085579, 51256737]

約数ペア:

[(1, 51256737), (3, 17085579), (7, 7322391), (9, 5695193), (19, 2697723), (21, 2440797), (57, 899241), (63, 813599), (133, 385389), (171, 299747), (399, 128463), (1197, 42821)]