38267721

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{10987}}^1$

素因数の和:11042

約数の個数: 20

約数和(自身を含む): 58500112

約数和(自身を除く): 20232391

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 10987, 32961, 98883, 296649, 472441, 889947, 1417323, 4251969, 12755907, 38267721]

約数ペア:

[(1, 38267721), (3, 12755907), (9, 4251969), (27, 1417323), (43, 889947), (81, 472441), (129, 296649), (387, 98883), (1161, 32961), (3483, 10987)]