320662719

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{304523}}^1$

素因数の和:304548

約数の個数: 20

約数和(自身を含む): 515863656

約数和(自身を除く): 195200937

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 304523, 913569, 2740707, 3958799, 8222121, 11876397, 24666363, 35629191, 106887573, 320662719]

約数ペア:

[(1, 320662719), (3, 106887573), (9, 35629191), (13, 24666363), (27, 11876397), (39, 8222121), (81, 3958799), (117, 2740707), (351, 913569), (1053, 304523)]