138465621

素因数分解:

$3^2\times 7^2\times {\mathrm{313981}}^1$

素因数の和:314001

約数の個数: 18

約数和(自身を含む): 232660662

約数和(自身を除く): 94195041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 313981, 941943, 2197867, 2825829, 6593601, 15385069, 19780803, 46155207, 138465621]

約数ペア:

[(1, 138465621), (3, 46155207), (7, 19780803), (9, 15385069), (21, 6593601), (49, 2825829), (63, 2197867), (147, 941943), (441, 313981)]