81574087

素因数分解:

$7^1\times {\mathrm{19}}^3\times {\mathrm{1699}}^1$

素因数の和:1763

約数の個数: 16

約数和(自身を含む): 98464000

約数和(自身を除く): 16889913

約数列:

[1, 7, 19, 133, 361, 1699, 2527, 6859, 11893, 32281, 48013, 225967, 613339, 4293373, 11653441, 81574087]

約数ペア:

[(1, 81574087), (7, 11653441), (19, 4293373), (133, 613339), (361, 225967), (1699, 48013), (2527, 32281), (6859, 11893)]