208431249

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 317769984

約数和(自身を除く): 109338735

約数列:

[1, 3, 13, 37, 39, 41, 111, 123, 169, 271, 481, 507, 533, 813, 1443, 1517, 1599, 3523, 4551, 6253, 6929, 10027, 10569, 11111, 18759, 19721, 20787, 30081, 33333, 45799, 59163, 130351, 137397, 144443, 256373, 391053, 411107, 433329, 769119, 1233321, 1694563, 1877759, 5083689, 5344391, 5633277, 16033173, 69477083, 208431249]

約数ペア:

[(1, 208431249), (3, 69477083), (13, 16033173), (37, 5633277), (39, 5344391), (41, 5083689), (111, 1877759), (123, 1694563), (169, 1233321), (271, 769119), (481, 433329), (507, 411107), (533, 391053), (813, 256373), (1443, 144443), (1517, 137397), (1599, 130351), (3523, 59163), (4551, 45799), (6253, 33333), (6929, 30081), (10027, 20787), (10569, 19721), (11111, 18759)]