28991265

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{36467}}^1$

素因数の和:36528

約数の個数: 16

約数和(自身を含む): 47262528

約数和(自身を除く): 18271263

約数列:

[1, 3, 5, 15, 53, 159, 265, 795, 36467, 109401, 182335, 547005, 1932751, 5798253, 9663755, 28991265]

約数ペア:

[(1, 28991265), (3, 9663755), (5, 5798253), (15, 1932751), (53, 547005), (159, 182335), (265, 109401), (795, 36467)]