13021479

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{8461}}^1$

素因数の和:8492

約数の個数: 20

約数和(自身を含む): 20478040

約数和(自身を除く): 7456561

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 8461, 25383, 76149, 160759, 228447, 482277, 685341, 1446831, 4340493, 13021479]

約数ペア:

[(1, 13021479), (3, 4340493), (9, 1446831), (19, 685341), (27, 482277), (57, 228447), (81, 160759), (171, 76149), (513, 25383), (1539, 8461)]