131878215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{839}}^1$

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 262080000

約数和(自身を除く): 130201785

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 499, 839, 1497, 2495, 2517, 3493, 4195, 4491, 5873, 7485, 7551, 10479, 12585, 17465, 17619, 22455, 29365, 31437, 37755, 52395, 52857, 88095, 157185, 264285, 418661, 1255983, 2093305, 2930627, 3767949, 6279915, 8791881, 14653135, 18839745, 26375643, 43959405, 131878215]

約数ペア:

[(1, 131878215), (3, 43959405), (5, 26375643), (7, 18839745), (9, 14653135), (15, 8791881), (21, 6279915), (35, 3767949), (45, 2930627), (63, 2093305), (105, 1255983), (315, 418661), (499, 264285), (839, 157185), (1497, 88095), (2495, 52857), (2517, 52395), (3493, 37755), (4195, 31437), (4491, 29365), (5873, 22455), (7485, 17619), (7551, 17465), (10479, 12585)]