51119985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 95967936

約数和(自身を除く): 44847951

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 157, 245, 443, 471, 735, 785, 1099, 1329, 2215, 2355, 3101, 3297, 5495, 6645, 7693, 9303, 15505, 16485, 21707, 23079, 38465, 46515, 65121, 69551, 108535, 115395, 208653, 325605, 347755, 486857, 1043265, 1460571, 2434285, 3407999, 7302855, 10223997, 17039995, 51119985]

約数ペア:

[(1, 51119985), (3, 17039995), (5, 10223997), (7, 7302855), (15, 3407999), (21, 2434285), (35, 1460571), (49, 1043265), (105, 486857), (147, 347755), (157, 325605), (245, 208653), (443, 115395), (471, 108535), (735, 69551), (785, 65121), (1099, 46515), (1329, 38465), (2215, 23079), (2355, 21707), (3101, 16485), (3297, 15505), (5495, 9303), (6645, 7693)]