13886721

素因数分解:

$3^6\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:504

約数の個数: 28

約数和(自身を含む): 21352848

約数和(自身を除く): 7466127

約数列:

[1, 3, 9, 27, 43, 81, 129, 243, 387, 443, 729, 1161, 1329, 3483, 3987, 10449, 11961, 19049, 31347, 35883, 57147, 107649, 171441, 322947, 514323, 1542969, 4628907, 13886721]

約数ペア:

[(1, 13886721), (3, 4628907), (9, 1542969), (27, 514323), (43, 322947), (81, 171441), (129, 107649), (243, 57147), (387, 35883), (443, 31347), (729, 19049), (1161, 11961), (1329, 10449), (3483, 3987)]