20160949221

素因数分解:

$3^3\times 7^1\times {\mathrm{106671689}}^1$

素因数の和:106671705

約数の個数: 16

約数和(自身を含む): 34134940800

約数和(自身を除く): 13973991579

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 106671689, 320015067, 746701823, 960045201, 2240105469, 2880135603, 6720316407, 20160949221]

約数ペア:

[(1, 20160949221), (3, 6720316407), (7, 2880135603), (9, 2240105469), (21, 960045201), (27, 746701823), (63, 320015067), (189, 106671689)]