208897185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{15187}}^1$

素因数の和:15333

約数の個数: 32

約数和(自身を含む): 384924672

約数和(自身を除く): 176027487

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 393, 655, 917, 1965, 2751, 4585, 13755, 15187, 45561, 75935, 106309, 227805, 318927, 531545, 1594635, 1989497, 5968491, 9947485, 13926479, 29842455, 41779437, 69632395, 208897185]

約数ペア:

[(1, 208897185), (3, 69632395), (5, 41779437), (7, 29842455), (15, 13926479), (21, 9947485), (35, 5968491), (105, 1989497), (131, 1594635), (393, 531545), (655, 318927), (917, 227805), (1965, 106309), (2751, 75935), (4585, 45561), (13755, 15187)]