2721771

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 4340336

約数和(自身を除く): 1618565

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 541, 559, 1623, 1677, 4869, 5031, 7033, 21099, 23263, 63297, 69789, 209367, 302419, 907257, 2721771]

約数ペア:

[(1, 2721771), (3, 907257), (9, 302419), (13, 209367), (39, 69789), (43, 63297), (117, 23263), (129, 21099), (387, 7033), (541, 5031), (559, 4869), (1623, 1677)]