1245879

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{479}}^1$

素因数の和:519

約数の個数: 18

約数和(自身を含む): 1915680

約数和(自身を除く): 669801

約数列:

[1, 3, 9, 17, 51, 153, 289, 479, 867, 1437, 2601, 4311, 8143, 24429, 73287, 138431, 415293, 1245879]

約数ペア:

[(1, 1245879), (3, 415293), (9, 138431), (17, 73287), (51, 24429), (153, 8143), (289, 4311), (479, 2601), (867, 1437)]