168647913

素因数分解:

$3^4\times 7^1\times {\mathrm{297439}}^1$

素因数の和:297458

約数の個数: 20

約数和(自身を含む): 287921920

約数和(自身を除く): 119274007

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 297439, 892317, 2082073, 2676951, 6246219, 8030853, 18738657, 24092559, 56215971, 168647913]

約数ペア:

[(1, 168647913), (3, 56215971), (7, 24092559), (9, 18738657), (21, 8030853), (27, 6246219), (63, 2676951), (81, 2082073), (189, 892317), (567, 297439)]