1277778885

素因数分解:

$3^1\times 5^1\times {\mathrm{10531}}^1\times {\mathrm{8089}}^1$

素因数の和:18628

約数の個数: 16

約数和(自身を含む): 2044893120

約数和(自身を除く): 767114235

約数列:

[1, 3, 5, 15, 8089, 10531, 24267, 31593, 40445, 52655, 121335, 157965, 85185259, 255555777, 425926295, 1277778885]

約数ペア:

[(1, 1277778885), (3, 425926295), (5, 255555777), (15, 85185259), (8089, 157965), (10531, 121335), (24267, 52655), (31593, 40445)]