28173723

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{379}}^1$

素因数の和:802

約数の個数: 16

約数和(自身を含む): 38304000

約数和(自身を除く): 10130277

約数列:

[1, 3, 71, 213, 349, 379, 1047, 1137, 24779, 26909, 74337, 80727, 132271, 396813, 9391241, 28173723]

約数ペア:

[(1, 28173723), (3, 9391241), (71, 396813), (213, 132271), (349, 80727), (379, 74337), (1047, 26909), (1137, 24779)]