208712739

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4073}}^1$

素因数の和:4155

約数の個数: 32

約数和(自身を含む): 312883200

約数和(自身を除く): 104170461

約数列:

[1, 3, 19, 29, 31, 57, 87, 93, 551, 589, 899, 1653, 1767, 2697, 4073, 12219, 17081, 51243, 77387, 118117, 126263, 232161, 354351, 378789, 2244223, 2398997, 3661627, 6732669, 7196991, 10984881, 69570913, 208712739]

約数ペア:

[(1, 208712739), (3, 69570913), (19, 10984881), (29, 7196991), (31, 6732669), (57, 3661627), (87, 2398997), (93, 2244223), (551, 378789), (589, 354351), (899, 232161), (1653, 126263), (1767, 118117), (2697, 77387), (4073, 51243), (12219, 17081)]