78065613

素因数分解:

$3^4\times {\mathrm{487}}^1\times {\mathrm{1979}}^1$

素因数の和:2478

約数の個数: 20

約数和(自身を含む): 116915040

約数和(自身を除く): 38849427

約数列:

[1, 3, 9, 27, 81, 487, 1461, 1979, 4383, 5937, 13149, 17811, 39447, 53433, 160299, 963773, 2891319, 8673957, 26021871, 78065613]

約数ペア:

[(1, 78065613), (3, 26021871), (9, 8673957), (27, 2891319), (81, 963773), (487, 160299), (1461, 53433), (1979, 39447), (4383, 17811), (5937, 13149)]