208956615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{139}}^2$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 388597248

約数和(自身を除く): 179640633

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 139, 309, 417, 515, 695, 721, 973, 1545, 2085, 2163, 2919, 3605, 4865, 10815, 14317, 14595, 19321, 42951, 57963, 71585, 96605, 100219, 135247, 214755, 289815, 300657, 405741, 501095, 676235, 1503285, 1990063, 2028705, 5970189, 9950315, 13930441, 29850945, 41791323, 69652205, 208956615]

約数ペア:

[(1, 208956615), (3, 69652205), (5, 41791323), (7, 29850945), (15, 13930441), (21, 9950315), (35, 5970189), (103, 2028705), (105, 1990063), (139, 1503285), (309, 676235), (417, 501095), (515, 405741), (695, 300657), (721, 289815), (973, 214755), (1545, 135247), (2085, 100219), (2163, 96605), (2919, 71585), (3605, 57963), (4865, 42951), (10815, 19321), (14317, 14595)]