18429243

素因数分解:

$3^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{443}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 28749888

約数和(自身を除く): 10320645

約数列:

[1, 3, 7, 21, 49, 147, 283, 443, 849, 1329, 1981, 3101, 5943, 9303, 13867, 21707, 41601, 65121, 125369, 376107, 877583, 2632749, 6143081, 18429243]

約数ペア:

[(1, 18429243), (3, 6143081), (7, 2632749), (21, 877583), (49, 376107), (147, 125369), (283, 65121), (443, 41601), (849, 21707), (1329, 13867), (1981, 9303), (3101, 5943)]