28227129

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{18413}}^1$

素因数の和:18496

約数の個数: 16

約数和(自身を含む): 43604352

約数和(自身を除く): 15377223

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 18413, 55239, 128891, 386673, 1344149, 4032447, 9409043, 28227129]

約数ペア:

[(1, 28227129), (3, 9409043), (7, 4032447), (21, 1344149), (73, 386673), (219, 128891), (511, 55239), (1533, 18413)]