16393221

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{839}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 25683840

約数和(自身を除く): 9290619

約数列:

[1, 3, 9, 13, 39, 117, 167, 501, 839, 1503, 2171, 2517, 6513, 7551, 10907, 19539, 32721, 98163, 140113, 420339, 1261017, 1821469, 5464407, 16393221]

約数ペア:

[(1, 16393221), (3, 5464407), (9, 1821469), (13, 1261017), (39, 420339), (117, 140113), (167, 98163), (501, 32721), (839, 19539), (1503, 10907), (2171, 7551), (2517, 6513)]