166688361

素因数分解:

$3^4\times 7^1\times {\mathrm{293983}}^1$

素因数の和:294002

約数の個数: 20

約数和(自身を含む): 284576512

約数和(自身を除く): 117888151

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 293983, 881949, 2057881, 2645847, 6173643, 7937541, 18520929, 23812623, 55562787, 166688361]

約数ペア:

[(1, 166688361), (3, 55562787), (7, 23812623), (9, 18520929), (21, 7937541), (27, 6173643), (63, 2645847), (81, 2057881), (189, 881949), (567, 293983)]