31327155

素因数分解:

$3^4\times 5^1\times {\mathrm{77351}}^1$

素因数の和:77368

約数の個数: 20

約数和(自身を含む): 56157552

約数和(自身を除く): 24830397

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 77351, 232053, 386755, 696159, 1160265, 2088477, 3480795, 6265431, 10442385, 31327155]

約数ペア:

[(1, 31327155), (3, 10442385), (5, 6265431), (9, 3480795), (15, 2088477), (27, 1160265), (45, 696159), (81, 386755), (135, 232053), (405, 77351)]