28326321

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{55217}}^1$

素因数の和:55245

約数の個数: 16

約数和(自身を含む): 44174400

約数和(自身を除く): 15848079

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 55217, 165651, 496953, 1049123, 1490859, 3147369, 9442107, 28326321]

約数ペア:

[(1, 28326321), (3, 9442107), (9, 3147369), (19, 1490859), (27, 1049123), (57, 496953), (171, 165651), (513, 55217)]