78905115

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{42767}}^1$

素因数の和:42819

約数の個数: 24

約数和(自身を含む): 140107968

約数和(自身を除く): 61202853

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 42767, 128301, 213835, 384903, 641505, 1753447, 1924515, 5260341, 8767235, 15781023, 26301705, 78905115]

約数ペア:

[(1, 78905115), (3, 26301705), (5, 15781023), (9, 8767235), (15, 5260341), (41, 1924515), (45, 1753447), (123, 641505), (205, 384903), (369, 213835), (615, 128301), (1845, 42767)]