12781039515

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1\times {\mathrm{12251}}^1$

素因数の和:12859

約数の個数: 32

約数和(自身を含む): 20628055296

約数和(自身を除く): 7847015781

約数列:

[1, 3, 5, 15, 157, 443, 471, 785, 1329, 2215, 2355, 6645, 12251, 36753, 61255, 69551, 183765, 208653, 347755, 1043265, 1923407, 5427193, 5770221, 9617035, 16281579, 27135965, 28851105, 81407895, 852069301, 2556207903, 4260346505, 12781039515]

約数ペア:

[(1, 12781039515), (3, 4260346505), (5, 2556207903), (15, 852069301), (157, 81407895), (443, 28851105), (471, 27135965), (785, 16281579), (1329, 9617035), (2215, 5770221), (2355, 5427193), (6645, 1923407), (12251, 1043265), (36753, 347755), (61255, 208653), (69551, 183765)]