81112575

素因数分解:

$3^1\times 5^2\times {\mathrm{1081501}}^1$

素因数の和:1081514

約数の個数: 12

約数和(自身を含む): 134106248

約数和(自身を除く): 52993673

約数列:

[1, 3, 5, 15, 25, 75, 1081501, 3244503, 5407505, 16222515, 27037525, 81112575]

約数ペア:

[(1, 81112575), (3, 27037525), (5, 16222515), (15, 5407505), (25, 3244503), (75, 1081501)]