81809295

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{52951}}^1$

素因数の和:53062

約数の個数: 16

約数和(自身を含む): 132168192

約数和(自身を除く): 50358897

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 52951, 158853, 264755, 794265, 5453953, 16361859, 27269765, 81809295]

約数ペア:

[(1, 81809295), (3, 27269765), (5, 16361859), (15, 5453953), (103, 794265), (309, 264755), (515, 158853), (1545, 52951)]