15121323

素因数分解:

$3^4\times 7^1\times {\mathrm{26669}}^1$

素因数の和:26688

約数の個数: 20

約数和(自身を含む): 25816560

約数和(自身を除く): 10695237

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 26669, 80007, 186683, 240021, 560049, 720063, 1680147, 2160189, 5040441, 15121323]

約数ペア:

[(1, 15121323), (3, 5040441), (7, 2160189), (9, 1680147), (21, 720063), (27, 560049), (63, 240021), (81, 186683), (189, 80007), (567, 26669)]