16428321

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1543}}^1$

素因数の和:1582

約数の個数: 36

約数和(自身を含む): 29385408

約数和(自身を除く): 12957087

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 1543, 3549, 4629, 10647, 10801, 13887, 20059, 32403, 60177, 97209, 140413, 180531, 260767, 421239, 782301, 1263717, 1825369, 2346903, 5476107, 16428321]

約数ペア:

[(1, 16428321), (3, 5476107), (7, 2346903), (9, 1825369), (13, 1263717), (21, 782301), (39, 421239), (63, 260767), (91, 180531), (117, 140413), (169, 97209), (273, 60177), (507, 32403), (819, 20059), (1183, 13887), (1521, 10801), (1543, 10647), (3549, 4629)]