1245406689

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{19427}}^1$

素因数の和:19869

約数の個数: 24

約数和(自身を含む): 1909383840

約数和(自身を除く): 663977151

約数列:

[1, 3, 9, 17, 51, 153, 419, 1257, 3771, 7123, 19427, 21369, 58281, 64107, 174843, 330259, 990777, 2972331, 8139913, 24419739, 73259217, 138378521, 415135563, 1245406689]

約数ペア:

[(1, 1245406689), (3, 415135563), (9, 138378521), (17, 73259217), (51, 24419739), (153, 8139913), (419, 2972331), (1257, 990777), (3771, 330259), (7123, 174843), (19427, 64107), (21369, 58281)]